Can someone tell me how to modify the contact info on a sip invite

Customer had an h323 gateway pstn pri. They wanted it converted to mgcp. Once the conversion occurred the customer noticed that the outbound calling number is the main number and not the individual phone numbers. With h323 the calling number was the ...

Having trouble accessing voicemail from remote cme All calls from cmeA to cmeB to phones works perfectlyIf person on cmeb does not answer attempt is made to go to vm dead air I can ping the cue on cmeb from cmea all used codec g711ulaw thoughts

We are having issues with certain phones recording and I am trying to understand the flow to determine who the problem belongs to.This is a DMS set up with sip trunk, CTI to Verint, recording server and recorder. I'm trying to understand how all the ...

                   Most of the gateways I have dealt with are for inbound and outbound calling. Have a situation of outbound dialing only. So I created a pots peer of destination-pattern 9.T.  Didn't work, I finally had to add a voip peer pointing ba...