Hi, Although I've never tried it, it looks like DTMF interoperability issue. If you send rtp-nte from the GW, then it's not recognized by MVA media resource. Try out-of-band DTMF signaling. H.245 alpanumeric counterpart in SIP is SIP-NOTIFY.
HTH kobel On Wed, Jan 19, 2011 at 15:34, mihal caro <[email protected]> wrote: > I can get the IVR working with SIP but when I press 1 to dial an internal > extension nothing happens and the call drops after 10 sec. If I try the same > thing but change the dial-peer to h323 and dtmf-relay h245-alphanumeric then > it works. > > I'm just wondering if I will get the same problem on the voice lab and how > do i configure the gateway, H323 or SIP because Cisco may ask me to add the > gateway as SIP and then if change it back to h323 to make the MVA work I may > loose points. > >
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