[SIPForum-discussion] SIP billing confusion

Roy, Nishant Kishore nishantkr at hp.com
Tue Jun 8 04:51:36 UTC 2010

Hi Shibli,

When  case 4 is over you will have your port open for data transfer , it means two party is connected so you must start charging from case 4 onwards and as soon as bye accepted i.e case 06 ,you should stop charging , because after accepting bye this party will close the socket at tcp level .

Nishant kishore roy

From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org] On Behalf Of shibli ahamed
Sent: Tuesday, June 08, 2010 9:21 AM
To: discussion at sipforum.org
Subject: [SIPForum-discussion] SIP billing confusion

please consider this sip call flow:

A                                        B
01        INVITE
02       100 TRYING
03       180 Ringing
04       200OK With SDP
05       ACK
06             BYE
07           200 OK

1. Is there any rfc recommendation when to start bill and stop it, some says its start after 4 and stop at 06 some says its start after 5 and stop at 7?

2. is it ok if someone start bill after 05 and stop after 06?

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