Voice over IP

I need a few good links on a crash course for SS7 and Cisco's ITC Products. Please help!

Hi ,We got AS5400 GW , i couldn't login into the system(Forgot the password) , can you help me how i can break the password.regkadams

Hi guysReading about PGW we saw that it is limited to 6 PTS per PGW.We're developing a project to use cisco AS5400 and PGW in 30 sites, in each site we will have 4 ss7 links with diferents DPC. We will not use a specific signling link E1 linked to PT...

HiI have two Cisco 3600 with NM-HDV-2E1 on each chassis. The version of ios is Version 12.3(19)Sometimes the Cisco sends the 27 (Destination out of order) or the 38 (Network out of order) cause code, which is generally not correct, because most of al...

I have a dual integration with CCM 5.1 and a Digital PIMG to a Avaya G3, Unity is ver 4.2(1). The problem I am getting is that using the port monitor is see the call coming from the PBX, it gets answered but Unity does not play an Opening Greeting. I...

Within Cisco the codecs g.729a and g.729ab are not interoperable. I have looked up various documentation regarding transcoding, but I cannot find one specifying the transcoding of g.729a to g.729ab.Could any point me in the right direction?

I am have issues trying to get QOS working correctly over a Serial Int for a customer of ours. We are doing MGCP over a T1 to an Adtran IAD which is the customer VOIP gateway. When I do a sho policy-map int f0/0, which is the interface to my core, I ...

Hi, I have an issue with voice over isdn over ip Can anyone help me and explain me about the facts of the above issue and the working process and product details and implementation with a typical network diagram

I have a customer with RightFax 9.X using the above mentioned card. I have the gateway configured with 12FXS ports using H323.When the call gets to the RightFax Server it sometimes has 2 digits as the DID and others 3 but never 4. It needs to be 4 ...

I have a cisco as5400 as voip gateway, when call coming in from PSTN T1, the gateway send invite to our sip server, the sip server send back 100 trying, but didn't send back 180 trying within about 10 seconds, the cisco send cancel to sip server to e...

Hello,I have a VoIP network made of a gateway-CME with an E1 30 channels to the PSTN and dial peer voip sending out an E1 data towards another CME and IP phones.I have no voice issue except when both talker of a call speak at the same time.When they ...

I am trying to get a PRI tieline installed between the G3 and my voice gateway. Unfortunately the PBX jockey gave me a cable that I believe I have pinned out correctly but, still cannot get the connection to come up. I have 25 pair cable with the PBX...

Hi,We have CCM 5.0,2811 voice gateway,1 4FXO and 1 g.shdsl card on it. 4 Telco lines are on 4FXO card.CCM is at the other side of g.shdsl line.Topology like that,2811 ---------------- CCM4fxo g.shdslWhen a call receives from FXO port, system is w...

I have PGW in nailed mode and want to change the Nature of address Indicator field for a particular trunk. Would like to have diff NAI for international and national calls.How can this be done? Can somebody point me in right direction..Thanks!