[SIPForum-discussion] New Sip Softphone

[Onur Cinar]

Hi Sven,

Since you are planing to develop it on VB. I would suggest you to take a
look at the Microsoft's Real Time Communications (RTC) Client API.

It is a complete SIP phone library with audio, IM, file transfer,
application sharing etc. Most likely within a single day you can have your
own SIP phone by using this library.

The major drawback of RTC is, it doesn't let you directly access to the SIP
layer, you have no control over the SIP messages. It becomes an important
issue when you are dealing with NAT/NAPTs, and some SIP servers, since you
can't really manipulate the SIP messaging.

But it may help you to make a quick start.

Best regards,

Onur Cinar


On 8/28/06, Sven <unbekannter_typ at web.de> wrote:
>
>  I have to develop an new SIP softphone for my company.
>
> But i dont have any information how to start, how to create or even how to
> connect to a sevrer.
>
> I need to program in Studio.NET 2003 (VB).
>
> Anybody here who have some experiences in programming SIP phones?
> Anybody who can help me starting?
>
>
> Greets
>
> Sven
>
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