Voice over IP

Hi.I have a problem with ISDN QSIG. My setup is:A---PBX-A----2651A----FR----2651B----PBX-B---BWhen A calls to B, I see the call arriving in 2651A but the call doesn´t arrive in 2651B. I enabled debug voice cca inout and I don´t see anything.When B ca...

Hi AllWe are using cisco 5300 as a SIP gateway with 96 channels (4 T1s), my question is can we dedicate/restrict channels to user. For example if we have 4 users on one gateway and want to dedicate VoIP Channels 20, 25, 28, 15 to each users, and they...

Gday, Guys.Here is the problem: the ipphone 7970G, after it's been powered up, displays nothing more, than prety Cisco logo. It replies to icmp_request, and sometimes programmable buttons are blinking in turn in green. Such a strange behaviour surpri...

A Chairde, I am looking to setup my AS5350 to have H323 on one E1 , and SIP running on the other E1 for testing purposes. Am having problems with DIAL PEER Commands SESSION PROTOCOL and TRANSPORT , they are not available, also most comma...

Hello All,In IOS RTP and RTCP use the following ports: UDP = 16384-32767. RTP and RTCP uses even UDP port numbers.With port range is very large and need to change them?thanks

Will the 7936 work with CCM 3.3(2) spc? I have atempted to install one and it will not register.

Hi,I have cisco 2811. I'm facing very strange behavior. If I setup call forward on any phone to EXTERNAL phone number, and I call from EXTERNAL number, call is forwarded corectly, but then it is dropped right after phone pick-up. In debug logs, only ...

Hi all,What are the probable causes of VoIP flaps..??We are having IP phones (Cisco 7960G and 7940G) installed at our place.. From last 1 month we are facing lots of voice issues..like below1) Sometimes while users are attending their calls on IP pho...

Hi!My network'infraestrucuture contains CISCO3640,CISCO827-4V and PBX.When the call it's gone by the 827-4V and I hang off, The call sounds 5 times instead of be hanging immediatelyWhy?

I was trying to establish communication between third party SIP client(Soft phone) capable of establishing voice and text call to remote end which I want to be a Cisco IP phone. Since CCM do not support SIP completely , I decided to convert the phone...

Hi,Does anyone know which OID to gather (with applications like MRTG) when using the folowing SAA application:rtr 1 type echo protocol ipIcmpEcho 192.168.70.10rtr schedule 1 start-time nowWhich OID represents the jitter OID ?Peter

Can someone help, The ATA 188 is not inserting Ring Tone when calling the UK, just get silence untill called party answers. Have tried changing connect mode bit 19 to 1 but this does not work. Anybody able to help?

Hi!I have the following map in my Network:CISCO3640---PBX----OVISLINK 800Before, I couldn't received call from OvisLink to CISCO.I solve the problem entering in the CISCO "beared-cap 3100 Hz" in the voice-port 3/0:15The problem is the following one.W...

Anyone know of any issues that would cause slips on 2 PRI's from a 2851 to a Nortel 81c. PBX guys tell me that they are config'd to receive clock from the router, and the controllers are set for clock source internal. They are checking the config o...