Music Ringback problem

[valiegenus]

Dear All,

we have configure 5400 as SIP gateway using PRI E1 as POTS leg and CCM as VOIP leg , and every thing is operating well but when i dial to particular mobile which is enablin music ring back , i don't hear the music tone just i hear the standard ring tone , while from other mgcp gateway endpoint i heard the ring back music well , do i need other additional configurations on my SIP gateway to hear music or what ??

Regards

[jsivulka]

When the IPT user starts the transfer, the caller hears hold music from the Call Manager while the IPT user hears queue music from CVP (the gateway). No MTP required.If you put the MTP on the SIP trunk to the SIP Proxy server, the caller will now hear queue music from CVP.