#pbx β Public Fediverse posts
Live and recent posts from across the Fediverse tagged #pbx, aggregated by home.social.
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π How to Deploy #Issabel #PBX on Rocky Linux #VPS This article provides a guide to deploy Issabel PBX on Rocky Linux VPS. Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux ... Continued π #unifiedcommunications #rockylinux
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π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.raddemo.host #rockylinux #unifiedcommunications -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.raddemo.host #rockylinux #unifiedcommunications -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.raddemo.host #rockylinux #unifiedcommunications -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #unifiedcommunications #rockylinux -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #unifiedcommunications #rockylinux -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #unifiedcommunications #rockylinux -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #unifiedcommunications #rockylinux -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS This article provides a guide to deploy Issabel PBX on Rocky Linux VPS. Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux ... Continued π #unifiedcommunications #rockylinux
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π How to Deploy #Issabel #PBX on Rocky Linux #VPS This article provides a guide to deploy Issabel PBX on Rocky Linux VPS. Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux ... Continued π #unifiedcommunications #rockylinux
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π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.raddemo.host #rockylinux #unifiedcommunications -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.raddemo.host #rockylinux #unifiedcommunications -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.raddemo.host #rockylinux #unifiedcommunications -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS This article provides a guide to deploy Issabel PBX on Rocky Linux VPS. Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux ... Continued π #unifiedcommunications #rockylinux
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π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #unifiedcommunications #rockylinux -
@CIO @spaetz Webseite der EU Ausschreibung wurde korrigiert.
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π¨ Warning: Old Man Yells About Vintage Radio Parts! π¨ Our DIY telecom hero takes a nostalgic trip down memory lane, crafting a homemade #PBX with the fervor of a kid in a 1940s electronics store. Spoiler: Morse code aspirations went the way of rotary phonesβnever learned π€·ββοΈπ.
https://wandel.ca/homepage/pbx.html #OldManYells #VintageRadio #DIYTelecom #Nostalgia #MorseCode #HackerNews #ngated -
π¨ Warning: Old Man Yells About Vintage Radio Parts! π¨ Our DIY telecom hero takes a nostalgic trip down memory lane, crafting a homemade #PBX with the fervor of a kid in a 1940s electronics store. Spoiler: Morse code aspirations went the way of rotary phonesβnever learned π€·ββοΈπ.
https://wandel.ca/homepage/pbx.html #OldManYells #VintageRadio #DIYTelecom #Nostalgia #MorseCode #HackerNews #ngated -
π¨ Warning: Old Man Yells About Vintage Radio Parts! π¨ Our DIY telecom hero takes a nostalgic trip down memory lane, crafting a homemade #PBX with the fervor of a kid in a 1940s electronics store. Spoiler: Morse code aspirations went the way of rotary phonesβnever learned π€·ββοΈπ.
https://wandel.ca/homepage/pbx.html #OldManYells #VintageRadio #DIYTelecom #Nostalgia #MorseCode #HackerNews #ngated -
π¨ Warning: Old Man Yells About Vintage Radio Parts! π¨ Our DIY telecom hero takes a nostalgic trip down memory lane, crafting a homemade #PBX with the fervor of a kid in a 1940s electronics store. Spoiler: Morse code aspirations went the way of rotary phonesβnever learned π€·ββοΈπ.
https://wandel.ca/homepage/pbx.html #OldManYells #VintageRadio #DIYTelecom #Nostalgia #MorseCode #HackerNews #ngated -
π¨ Warning: Old Man Yells About Vintage Radio Parts! π¨ Our DIY telecom hero takes a nostalgic trip down memory lane, crafting a homemade #PBX with the fervor of a kid in a 1940s electronics store. Spoiler: Morse code aspirations went the way of rotary phonesβnever learned π€·ββοΈπ.
https://wandel.ca/homepage/pbx.html #OldManYells #VintageRadio #DIYTelecom #Nostalgia #MorseCode #HackerNews #ngated -
todays #VOIP discovery- - found another snakehead at the end of a #trunk - this time I am using #Acrobits #Groundwire #SIP client on #Android for a mobile extension on #cloud #PBX
Works *unless* I use a wifi connection with same external IP address as on-site PBX connected to cloud PBX (registered as PJSIP interPBX trunk and IP authentication).
When Groundwire extension tries to register as #endpoint on #FreePBX, #AOR records get all confused and #Groundwire shows "error"
tried adding external IP address to "Match (Permit)" in FreePBX extension entry - alas - this allows Groundwire to work but hoses outbound calls from the on-site PBX so had to be reverted (not a complete disaster as I can use the other wifi connection or LTE for Groundwire)
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todays #VOIP discovery- - found another snakehead at the end of a #trunk - this time I am using #Acrobits #Groundwire #SIP client on #Android for a mobile extension on #cloud #PBX
Works *unless* I use a wifi connection with same external IP address as on-site PBX connected to cloud PBX (registered as PJSIP interPBX trunk and IP authentication).
When Groundwire extension tries to register as #endpoint on #FreePBX, #AOR records get all confused and #Groundwire shows "error"
tried adding external IP address to "Match (Permit)" in FreePBX extension entry - alas - this allows Groundwire to work but hoses outbound calls from the on-site PBX so had to be reverted (not a complete disaster as I can use the other wifi connection or LTE for Groundwire)
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todays #VOIP discovery- - found another snakehead at the end of a #trunk - this time I am using #Acrobits #Groundwire #SIP client on #Android for a mobile extension on #cloud #PBX
Works *unless* I use a wifi connection with same external IP address as on-site PBX connected to cloud PBX (registered as PJSIP interPBX trunk and IP authentication).
When Groundwire extension tries to register as #endpoint on #FreePBX, #AOR records get all confused and #Groundwire shows "error"
tried adding external IP address to "Match (Permit)" in FreePBX extension entry - alas - this allows Groundwire to work but hoses outbound calls from the on-site PBX so had to be reverted (not a complete disaster as I can use the other wifi connection or LTE for Groundwire)
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todays #VOIP discovery- - found another snakehead at the end of a #trunk - this time I am using #Acrobits #Groundwire #SIP client on #Android for a mobile extension on #cloud #PBX
Works *unless* I use a wifi connection with same external IP address as on-site PBX connected to cloud PBX (registered as PJSIP interPBX trunk and IP authentication).
When Groundwire extension tries to register as #endpoint on #FreePBX, #AOR records get all confused and #Groundwire shows "error"
tried adding external IP address to "Match (Permit)" in FreePBX extension entry - alas - this allows Groundwire to work but hoses outbound calls from the on-site PBX so had to be reverted (not a complete disaster as I can use the other wifi connection or LTE for Groundwire)
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todays #VOIP discovery- - found another snakehead at the end of a #trunk - this time I am using #Acrobits #Groundwire #SIP client on #Android for a mobile extension on #cloud #PBX
Works *unless* I use a wifi connection with same external IP address as on-site PBX connected to cloud PBX (registered as PJSIP interPBX trunk and IP authentication).
When Groundwire extension tries to register as #endpoint on #FreePBX, #AOR records get all confused and #Groundwire shows "error"
tried adding external IP address to "Match (Permit)" in FreePBX extension entry - alas - this allows Groundwire to work but hoses outbound calls from the on-site PBX so had to be reverted (not a complete disaster as I can use the other wifi connection or LTE for Groundwire)
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When setting #FreePBX with special #SIP Alert-Info on inbound route on DDI number, for distinctive ringing on #extensions linked to a ring group, beware that Alert-Info does *not* get transferred to extensions across intercompany #trunks (those with # at end of number)
Workaround to achieve this without custom #Asterisk dialplan (assuming you have outbound route with escape digits with direct route to inter-PBX #trunk)
* Set up ring group on remote #PBX with desired Alert-Info and extensions to be rung
* On ring group on original PBX, add local extensions list and at end route to remote ring group (for instance if ring group 610 and your escape code is 77 for remote PBX put 77610# in ring group extension list)
now distinctive ringing works across both PBX!
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When setting #FreePBX with special #SIP Alert-Info on inbound route on DDI number, for distinctive ringing on #extensions linked to a ring group, beware that Alert-Info does *not* get transferred to extensions across intercompany #trunks (those with # at end of number)
Workaround to achieve this without custom #Asterisk dialplan (assuming you have outbound route with escape digits with direct route to inter-PBX #trunk)
* Set up ring group on remote #PBX with desired Alert-Info and extensions to be rung
* On ring group on original PBX, add local extensions list and at end route to remote ring group (for instance if ring group 610 and your escape code is 77 for remote PBX put 77610# in ring group extension list)
now distinctive ringing works across both PBX!
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When setting #FreePBX with special #SIP Alert-Info on inbound route on DDI number, for distinctive ringing on #extensions linked to a ring group, beware that Alert-Info does *not* get transferred to extensions across intercompany #trunks (those with # at end of number)
Workaround to achieve this without custom #Asterisk dialplan (assuming you have outbound route with escape digits with direct route to inter-PBX #trunk)
* Set up ring group on remote #PBX with desired Alert-Info and extensions to be rung
* On ring group on original PBX, add local extensions list and at end route to remote ring group (for instance if ring group 610 and your escape code is 77 for remote PBX put 77610# in ring group extension list)
now distinctive ringing works across both PBX!
-
When setting #FreePBX with special #SIP Alert-Info on inbound route on DDI number, for distinctive ringing on #extensions linked to a ring group, beware that Alert-Info does *not* get transferred to extensions across intercompany #trunks (those with # at end of number)
Workaround to achieve this without custom #Asterisk dialplan (assuming you have outbound route with escape digits with direct route to inter-PBX #trunk)
* Set up ring group on remote #PBX with desired Alert-Info and extensions to be rung
* On ring group on original PBX, add local extensions list and at end route to remote ring group (for instance if ring group 610 and your escape code is 77 for remote PBX put 77610# in ring group extension list)
now distinctive ringing works across both PBX!
-
When setting #FreePBX with special #SIP Alert-Info on inbound route on DDI number, for distinctive ringing on #extensions linked to a ring group, beware that Alert-Info does *not* get transferred to extensions across intercompany #trunks (those with # at end of number)
Workaround to achieve this without custom #Asterisk dialplan (assuming you have outbound route with escape digits with direct route to inter-PBX #trunk)
* Set up ring group on remote #PBX with desired Alert-Info and extensions to be rung
* On ring group on original PBX, add local extensions list and at end route to remote ring group (for instance if ring group 610 and your escape code is 77 for remote PBX put 77610# in ring group extension list)
now distinctive ringing works across both PBX!
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π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #rockylinux #unifiedcommunications -
New Post: π How to Deploy Issabel PBX on Rocky Linux VPS #asterisk #fail2ban #issabel #pbx #rockylinux #unifiedcommunications #voip #vps #Cloud #Guides #VPS
π How to Deploy Issabel PBX on... -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #rockylinux #unifiedcommunications -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #unifiedcommunications #rockylinux -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #rockylinux #unifiedcommunications -
π How to Deploy #Issabel #PBX on Rocky Linux #VPS
This article provides a guide to deploy Issabel PBX on Rocky Linux VPS.
Here is a complete, start-to-finish deployment guide for installing Issabel PBX + Contact Center on a Rocky Linux VPS (recommended: Rocky Linux 8.x).
π Overview: What Youβre Deploying
Issabel PBX is a full #VoIP + unified communications system (based on Asterisk) that includes PBX, call ...
Continued π https://blog.radwebhosting.com/deploy-issabel-pbx-on-rocky-linux-vps/?utm_source=mastodon&utm_medium=social&utm_campaign=mastodon.social #rockylinux #unifiedcommunications -
What am I fishing for here? #telephone calls π
This is all above board (as its internal monitoring)- but old tech way is surprisingly most GDPR compliant - it separates call metadata (which I don't want, I can get that from other sources) from audio which I do want.
I'm not even interested in exact *content* of calls here, what I'm monitoring is overall audio quality to make sure nothing is glitched / daleked at our end now calls are 100% #VOIP (alas, I can't do anything about ropey #LTE networks our staff and service users might be using)
I'm also testing how #Grandstream #ATA and cloud #PBX handle long telephone calls (such as intercept feed from the other #PBX)
Contents of #tape are not kept long term, they are be erased once I've assessed the audio quality..
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What am I fishing for here? #telephone calls π
This is all above board (as its internal monitoring)- but old tech way is surprisingly most GDPR compliant - it separates call metadata (which I don't want, I can get that from other sources) from audio which I do want.
I'm not even interested in exact *content* of calls here, what I'm monitoring is overall audio quality to make sure nothing is glitched / daleked at our end now calls are 100% #VOIP (alas, I can't do anything about ropey #LTE networks our staff and service users might be using)
I'm also testing how #Grandstream #ATA and cloud #PBX handle long telephone calls (such as intercept feed from the other #PBX)
Contents of #tape are not kept long term, they are be erased once I've assessed the audio quality..
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What am I fishing for here? #telephone calls π
This is all above board (as its internal monitoring)- but old tech way is surprisingly most GDPR compliant - it separates call metadata (which I don't want, I can get that from other sources) from audio which I do want.
I'm not even interested in exact *content* of calls here, what I'm monitoring is overall audio quality to make sure nothing is glitched / daleked at our end now calls are 100% #VOIP (alas, I can't do anything about ropey #LTE networks our staff and service users might be using)
I'm also testing how #Grandstream #ATA and cloud #PBX handle long telephone calls (such as intercept feed from the other #PBX)
Contents of #tape are not kept long term, they are be erased once I've assessed the audio quality..
-
What am I fishing for here? #telephone calls π
This is all above board (as its internal monitoring)- but old tech way is surprisingly most GDPR compliant - it separates call metadata (which I don't want, I can get that from other sources) from audio which I do want.
I'm not even interested in exact *content* of calls here, what I'm monitoring is overall audio quality to make sure nothing is glitched / daleked at our end now calls are 100% #VOIP (alas, I can't do anything about ropey #LTE networks our staff and service users might be using)
I'm also testing how #Grandstream #ATA and cloud #PBX handle long telephone calls (such as intercept feed from the other #PBX)
Contents of #tape are not kept long term, they are be erased once I've assessed the audio quality..
-
What am I fishing for here? #telephone calls π
This is all above board (as its internal monitoring)- but old tech way is surprisingly most GDPR compliant - it separates call metadata (which I don't want, I can get that from other sources) from audio which I do want.
I'm not even interested in exact *content* of calls here, what I'm monitoring is overall audio quality to make sure nothing is glitched / daleked at our end now calls are 100% #VOIP (alas, I can't do anything about ropey #LTE networks our staff and service users might be using)
I'm also testing how #Grandstream #ATA and cloud #PBX handle long telephone calls (such as intercept feed from the other #PBX)
Contents of #tape are not kept long term, they are be erased once I've assessed the audio quality..
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How to Install and Deploy FusionPBX on Debian VPS #certbot #debian #freeswitch #fusionpbx #installguide #letsencrypt #nginx #opensource #pbx #php #postgresql #selfhosted #selfhosting #ufw #voip #vps #Cloud #Guides #VPS blog.radwebhosting.com/deploy-fusio...
How to Install and Deploy Fusi... -
Now the other two are ported - all the #analogue #trunks are ceased and all traffic to and from the #PSTN from this #PBX is now #VOIP (using #PJSIP trunks on #FreePBX )
I disconnected all the analogue lines as #Openreach leave battery on them, that way they show as RED alarm on #Asterisk and won't be selected for any calls (worst case is they return a busy trunk status and the route will go to the next trunk, but I've taken away all the analogue circuits from every PSTN route)