[SIPForum-discussion] Multi modal phone using JAIN SIP

Tomasz Zieleniewski tzieleniewski at gmail.com
Sat Apr 11 10:34:04 UTC 2009

Yes, You can, but approach is not recomended in JAIN SIP 1.2.
Previously creating SipStack could be done in two ways.
When creating SipStack with javax.sip.IP_ADDRESS property set
SipFactory would create a new instance or return already
created one. In case of null value
SipFactory would return a singleton instance in which
Address attributes can be managed via the ListeningPoints.
The second approuch is recomennded.

So in the second approuch You would have to create a two
SipProvider intances (register SipListeners etc) for each ListeningPoint.

Kind regards
-Tomasz Zieleniewski

2009/4/10 Amit Kumar <amitkumar.newtech at gmail.com>:
> Dear All,
> I want to build a multi modal softphone using JAIN-SIP.
> Thinking of modifying IMS Communicator to make it multi
> modal.
> My question is, can I have instances of two SipStack with
> each bound to its particular single IP only.
> Should be able to make two calls simultaneously made from
> two registrations done for the same user subscription(user
> account) but each uses only the netowrk path dedicated to
> itself.
> Thanks.
> Regards,
> Amit
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