[Freeswitch-users] Call from Secure RTP to non-secure RTP

[Mark Campbell-Smith]

Thanks Jim,

Yep, 1002 does TLS and SRTP, 1000 does UDP and RTP.

Cheers


On Thu, Nov 19, 2009 at 4:12 PM, Jim Burke <jim at evolutiontel.net> wrote:
> Does 1002 use TLS to transport SIP signalling? My experience is that
> TLS is required on some phones otherwise they will not do srtp and
> will reply with the responce you have mentioned.
>
> Sent from my iPhone
>
> On 19/11/2009, at 1:36 PM, Mark Campbell-Smith
> <mcampbellsmith at gmail.com> wrote:
>
>> Hi!
>>
>> How do I setup FS so that placing a call from an extension that only
>> support SRTP (1002) to an extension that only supports RTP (1000)?
>>
>> I put this dialstring, from the wiki
>> http://wiki.freeswitch.org/wiki/Tls, into the users xml file under
>> directory/default
>>
>> <param name="dial-string"
>> value="{sip_secure_media=${regex(${sofia_contact(${dialed_user}@$
>> {dialed_domain})}|transport=tls)},
>>  presence_id=${dialed_user}@${dialed_domain}}${sofia_contact($
>> {dialed_user}@${dialed_domain})}"
>> />
>>
>> I have also put a <action application="export"
>> data="sip_secure_media=true"/> when 1000 is dialing 1002.
>>      <condition field="destination_number" expression="^(1002)$">
>>        <action application="set" data="dialed_extension=$1"/>
>>        <action application="export" data="dialed_extension=$1"/>
>>        <action application="export" data="sip_secure_media=true"/>
>>        <action application="bridge" data="user/${dialed_extension}@$
>> {domain}"/>
>>
>> However I never see crytpo sent in the RTP to 1002 and it responds
>> with Bad Security Level
>>
>> What have I missed?
>>
>> Thanks
>>
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