[SIPForum-discussion] Call SIP witout message Ringing

Gomez Leopoldo lgomez at mcmtelecom.com.mx
Mon Jul 8 13:38:25 UTC 2013


Thanks,

Are there RFC that support it?

Regards,

LGomez.

From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org] On Behalf Of Abhisek Acharya
Sent: miércoles, 03 de julio de 2013 01:59 p.m.
To: Vijay Kumar
Cc: discussion at sipforum.org
Subject: Re: [SIPForum-discussion] Call SIP witout message Ringing

just  few thoughts over these..as long as charging is considered..yes charging ideally starts after 200 OK which is considered as the called party picked up the call....and called party already says a word like "HELLO"  on the fone ....but situation gets complicated incase of SIP-ISUP interworking...SIP-H323 interworking....



On Tue, Jul 2, 2013 at 9:26 AM, Vijay Kumar <vj.tech776 at gmail.com<mailto:vj.tech776 at gmail.com>> wrote:
Hi Gomez

As per your question ,the RTP is exchanged after ACK so the
charging can start after  ACK

Regards
Vijay

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