Voice over IP

Hi, I am trying to fix a problem with Cisco ASR 1002-X. The client is not giving me proper feedback and I had to find it by myself. When I turn on the Router it gives me some errors and messages, I tried to to go to ROMmon mode by pressing Ctrl + Bre...

Hello community, I have encountered this problem: I can't install the cm-locale-nl_NL-12.5.1.3000-1.cop.sgn on CUCM v12.5.1.13900-152.I receive the error: Error encountered: An unknown error occurred while accessing the upgrade file.I have attached t...

Hi, Is there anyone configured cisco communication manager (CUCM) for direct calls to SIP Trunk provided by the Service Provider (Without Voice Gateway or CUBE)? I am looking for configuration steps Thanks

hiis there any way to install two evm hd 8fxs on the 2821 router?

Hello, is there any way to make VoIP on Cisco Router 2911 in Packet Tracer? (Version 8.1.0).We tried telephony-service way, but it cant be used on this router. Thank you

I recently installed a VOIP router in Haiti, the carrier only supports sending calls with local ANI, if international is ANI passed you are billed at standard international rates coming into the island, I would like to know if there is a way I can cr...

Добрый день, есть роутер asr1001Cisco IOS XE Software, Version 03.16.10.S - Extended Support ReleaseCisco IOS Software, ASR1000 Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 15.5(3)S10, RELEASE SOFTWARE (fc3) Есть voip-модульNAME: "SPA subslot ...

Hi all,I was upgrading my call manager subscriber server from 7.1.3.10000-11 build to 8.0.2.41006-1 build, got the following error and the upgrade failed,Status: Error encountered: An unknown error occurred while access the upgrade file.While the sam...

Our company has changed the calling service of the new carrier, which configurations should I modify  !subscriber templatingmultilink bundle-name authenticated!!!!isdn switch-type primary-net5!!trunk group 1!!!!!voice service voipaddress-hidingmedia ...

Sir,We are using  huge number of Cisco VoIP phones with Part number PID VID: CP-7821-k9= Recently we received the same VoIP phones with different part number  PID VID: CP-7821-k9++=  Please clarify the below points for our reference please    Is ther...

Hi, I would like to know if you can recommend me devices which can be use to replace gateways AS5300 - AS5400 & AS5350, in a VOIP network actually running with those models. Our network is running under sc7 and SIP, with E1s managing calls.Please let...

I'm sorry if this is in the wrong section. I'm new. I just want to know what setting to change if someone is telling me their 7975 and 8851 phones ring when already on a call. I checked line 1 and it shows flash only when phone is active.

Hi, If we record a meeting in webex training with VoIP, the sound is not heard in the recording. On the other hand, if we record with webex audio, the sound is heard, but with worse quality. We have been making recordings since 2020 and it is the fir...