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when call via SIP Trunk, the ring is distorted.

yuexp0929
Level 1
Level 1

Hi ,

My call manager is 10.5. I created a sip trunk between call manger and Siemens Unify. When I dial to Siemens system, I heard the ring is distorted. but the voice is well after opposite pickup the phone.

I have been check "Media Termination Point Required" in SIP trunk settings.

Could you give me some suggestion?

2 Replies 2

jonathan.salter
Level 3
Level 3

Try to force early offer on the trunk, see if that helps.

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Can you confirm the Disable Early Media on 180 on the profile is NOT checked.

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