Tag : t38

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I have a problem with movistar in Mexico with a sip calls. Movistar send to me T38 and G729 in the INVITE and they say that I have to ignore T38 and use G729 in the voice call.When a fax call is made Movistar send only T38 in the INVITE.Invite example:v=0o=GDL-BMSW-..

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