Voice over IP

I have a Cisco ATA192-MPP that I am managing thru Teams to connect up a phone line to a Valcom Over Head Paging System.  I have several of these using the same setup running without issue.  My most recent site however is wanting to use the OHP to del...

I have CUCM 12.5.1.15900-66 running on a test network. My phones can connect to each other. I am trying to configure music on hold. How do I activate the Cisco IP Voice Media Streaming App service? The Cisco documentation says:In CUCM administration,...

Hi gang,   I recently stood up a new VM cluster in our lab, running 11.5. I migrated all of the phones successfully, to a Subscriber.   Later, I noticed that the Corporate Directory was not working, and followed a few false leads that had me regenera...

I would like to ask the community for help. I have purchased 40 Cisco CT-8851 devices. I have not used a Cisco phone before. Unfortunately I was sad to find out that I need the CUCM management software. Admittedly, we already have an existing PBX pho...

We are having issues with Caller ID with our CUCM 12.5 Servers that are connected to WAVE 5.20 Management Servers in our test environment.In our setup, we have a WAVE Management Server connected to a CUCM server via SIP Trunk at Location A. Then a se...

I'm having issues getting two Third-party SIP Device (Advanced) registered in CUCM. At worst, my two devices say "None" for their status, and at best they say "Rejected" (at least when this happens, I can see the IP Address where my client soft phone...

I have a ASA 5525-X appliance. I have 5 VoIP Cards that need to be programmed with external IPS (38.84.x.x) so i cant program them with a internal and then Nat they all need to have public facing IP address programmed on them. They sit behind my fire...

Hello! We have a client who uses cisco cube and cucm, the client is currently having issues calling out to certain numbers, the calling party hears a ring or two and then the call disconnects.  The message flows show a very quick bye coming from the ...

Cisco IP Phones SPA 525G were connected via WIFI and worked perfectly fine. But after changing the router, the phones can not connect to WIFI as they keep displaying "Failed to Associate with SSID, keep trying in the background". When we add the netw...

hi,I am trying to register SIP softphone from public IP address. Using 2621 Router. All local sip and sccp phones are working fine.Startup Config:R2821#sh runBuilding configuration...Current configuration : 9744 bytes!! Last configuration change at 0...

Hi, we have a departement which have their calls recorded using a 3rd party application. i would like to insert a greeting saying calls being recorded then ring the phone.so you ring the DN - 8127766 then it goes to unity saying calls recorded then r...

We have a number of Cisco desk phones on a 3rd Party Asterix SIP provider, these have been manually registered. They hold registration and can dial out OK. Inbound calls connect for 10 mins but then callers cannot get through unless registration is r...

Hi guys,I need to set up the priority of network traffic:1. VoIP (sensitive) (Cisco and Grandstream phones)2. RDP (medium sensitive)3. all other internet traffic (not sensitive)VoIP and RDP traffic go to servers through VPN tunnels.Internet traffic i...

Apologize in advance for the edited out info.  New site to VOIP, so thank you for any assistance.  To break the issue down, RTMT is seeing incoming calls from multiple numbers at one outside location to about 10 different numbers at my location as ca...