[asterisk-users] does res_pjsip support ZRTP?

Richard Mudgett rmudgett at digium.com
Tue Oct 6 10:55:04 CDT 2015

On Tue, Oct 6, 2015 at 10:27 AM, Joshua Colp <jcolp at digium.com> wrote:

> Dmitriy Serov wrote:
> <snip>
>>> - found hardphones and software phones that don't accept "long nonce"
>>>> and refuse to register when using res_pjsip
>>> Have you filed an issue with this and details about the
>>> hardphones+softphones?
>> Welltech WP589. Beautifully registered using chan_sip and res_pjsip not
>> logged in.
>> Analyzing the exchange of SIP packets I found a single difference: the
>> format of the "nonce" field. When using a longer nonce (pjsip) this
>> phone simply does not respond to the request packet authorization (as do
>> many hardware and software encountering something incomprehensible).
>> The same behavior was on the built-in nokia 95 SIP client.
> I haven't heard of this or seen it in testing, I don't think an issue
> exists for it.

On the subject of nonce length there is this issue about chan_sip's nonce
being too short:

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20151006/37797a13/attachment.html>

More information about the asterisk-users mailing list