[SIPForum-discussion] SIP call without TO tag

Robert Silva rob at silcu.com
Thu Aug 27 01:20:26 UTC 2015

HI Vishwanath,

In that case, you won't be able to do attendant transfer and voice

The attendant transfer uses the Replaces Header and for that we need the TO
& FROM tag's.


2015-08-25 5:58 GMT-05:00 Vishwanath S V <contactvishu at gmail.com>:

> Hi Team,
>                 Can anyone let me know that will there be any case where
> we wont be getting To tag value in 180 ringing and 200 ok response and call
> is successful.
> And what will be the impact on SIP stack in this scenario.
> --
> With Regards
> Vishwanath S V
> Ph: 09561331497
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*Roberto Silva*

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