[asterisk-users] does res_pjsip support ZRTP?

Richard Mudgett
Tue, 06 Oct 2015 15:55:04 -0000

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
length
being too short:
https://issues.asterisk.org/jira/browse/ASTERISK-25062

Richard
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