[Freeswitch-users] Audio Issue with FreeSWITCH (TLS + SRTP)
Giovanni Maruzzelli
gmaruzz at gmail.com
Fri Sep 11 06:00:56 MSD 2015
I would counseil to start from the dafault config, and change one thing at
time.
See at which change it breaks.
sent from my mobile,
Giovanni Maruzzelli
cell: +39 347 266 56 18
On Sep 11, 2015 3:47 AM, "Saurabh Kumar Verma" <
saurabhkumar.verma at vvdntech.com> wrote:
> Hi,
>
> Hope you're doing good.
>
> I'm facing an issue with having FreeSWITCH (TLS + SRTP).
>
> *Issue:* Audio not coming when I've SRTP(media) enabled on both of the
> soft-phone endpoints.
> *Observation: *Audio is coming if we don't use SRTP for media encryption.
>
>
> *Set-up Description:*
> I'm registered using TLS and able to make call through FreeSWITCH, but
> call is disconnected after 30 sec because there is not media flow between
> the endpoints.
> I have two softphone (we're using Linphone as soft-phone) registered on FS
> server with extension 1003 & 1010, call flow is like:
>
> Call Flow
> 1003 ------> FS Server -------> 1010
>
> x.x.x.x - Server Public IP
> y.y.y.y - Server Local IP
> *NOTE:* *For security reasons replaced the actual IPs.*
>
> FreeSWITCH Version Information:
> *freeswitch at internal> version*
> *FreeSWITCH Version 1.4.21+git~20150901T202622Z~a223dd0236~64bit (git
> a223dd0 2015-09-01 20:26:22Z 64bit)*
>
> I've done some changes in default dialplan/configuration in FreeSWITCH:
>
> 1. Force FreeSWICTH to listen on TLS port only (By using this parameter *<param
> name="tls-only" value="true"/> *in internal as well as external profile).
>
> *freeswitch at internal> sofia status*
> * Name Type
> Data State*
>
> *=================================================================================================*
> * external profile sip:mod_sofia at x.x.x.x:5081
> RUNNING (0) (TLS)*
> * external::example.com <http://example.com> gateway
> sip:joeuser at example.com <sip%3Ajoeuser at example.com> NOREG*
> * x.x.x.x alias internal
> ALIASED*
> * internal profile sip:mod_sofia at x.x.x.x:5061
> RUNNING (0) (TLS)*
>
> *=================================================================================================*
> *2 profiles 1 alias*
>
> 2. Use the ODBC driver for driver (By uncomment this *<!--<param
> name="odbc-dsn" value="dsn:user:pass"/>-->* in config files)
>
>
> In Linphone soft-client, these are the changes has been done:
> 1. *TLS *as Transport.
> 2. *SRTP* in Media encryption.
>
>
> In FreeSWITCH, these are the registration logs showing I'm softphones are
> using TLS
> *freeswitch at internal> sofia status profile internal reg*
>
> *Registrations:*
>
> *=================================================================================================*
> *Call-ID: xmuVdotDkb*
> *User: 1003 at x.x.x.x*
> *Contact: ""
> <sip:1003 at 180.151.83.178:63093;app-id=622464153529;pn-type=google;pn-tok=APA91bF-MsdZGvDi951jjCoTDSJc2reyR2JvYHlgtwpeE1vLAlG2zrOIrBmwzx6PPPAHKfcE8aqaOHFtYFoLVztBeqAqz9Cr6D6waN7VCWSIQk7dAdm9HXQ;transport=tls>*
> *Agent: LinphoneAndroid/2.4.1-28-g98516d9 (belle-sip/1.4.1)*
> *Status: Registered(TLS)(unknown) EXP(2015-09-09 11:16:30)
> EXPSECS(3137)*
> *Ping-Status: Reachable*
> *Host: ip-y-y-y-y.ec2.internal*
> *IP: 180.151.83.178*
> *Port: 63093*
> *Auth-User: 1003*
> *Auth-Realm: x.x.x.x*
> *MWI-Account: 1003 at x.x.x.x*
>
> *Call-ID: 6B25YNRXb5*
> *User: 1010 at x.x.x.x*
> *Contact: ""
> <sip:1010 at 180.151.83.178:13916;app-id=622464153529;pn-type=google;pn-tok=APA91bFqivAK_KIDpU_6PM0pf0U8rx9DOKm0vhyNRqjE1Dpq_uPRbTbT-BMwxNP5NmEyCMfnKxa-fjEhI2J-lzLkCcfFphO1hL39cE4VNqAnnfDbVeQbvmQ;transport=tls>*
> *Agent: LinphoneAndroid/2.4.1-28-g98516d9 (belle-sip/1.4.1)*
> *Status: Registered(TLS)(unknown) EXP(2015-09-09 11:11:31)
> EXPSECS(2838)*
> *Ping-Status: Reachable*
> *Host: ip-y-y-y-y.ec2.internal*
> *IP: 180.151.83.178*
> *Port: 13916*
> *Auth-User: 1010*
> *Auth-Realm: x.x.x.x*
> *MWI-Account: 1010 at x.x.x.x*
>
> *Total items returned: 2*
>
> *=================================================================================================*
>
> For an active call I can see in the channels table, I'm able to see secure
> parameter is set during the call for both of the call legs.
>
> *freeswitch=# select * from channels ;*
> * uuid | direction | created |
> created_epoch | name | state
> | cid_name | cid_num | ip_addr *
> * | dest | application | application_data | dialplan | context |
> read_codec | read_rate | read_bit_rate | write_codec | write_rate |
> write_bit_rate | secure *
> * | hostname | presence_id | presence_data |
> callstate | callee_name | callee_num | callee_direction |
> call_uuid | sent_callee_name | sen*
> *t_callee_num | initial_cid_name | initial_cid_num | initial_ip_addr |
> initial_dest | initial_dialplan | initial_context *
>
> *--------------------------------------+-----------+---------------------+---------------+------------------------------------------+-------------------+----------------+---------+------------*
>
> *----+------+-------------+------------------------+----------+---------+------------+-----------+---------------+-------------+------------+----------------+----------------------------------*
>
> *-+------------------------------+-------------------+---------------+-----------+---------------+------------+------------------+--------------------------------------+------------------+----*
>
> *-------------+------------------+-----------------+-----------------+--------------+------------------+-----------------*
> * 485d07d6-56da-11e5-ac1a-a53fe62ce2f9 | outbound | 2015-09-09 10:05:22 |
> 1441793122 | sofia/internal/1010 at 180.151.83.178:13916
> <http://1010@180.151.83.178:13916> | CS_EXCHANGE_MEDIA | Extension 1003 |
> 1003 | 180.151.83.*
> *178 | 1010 | | | XML | default |
> opus | 48000 | 0 | opus | 48000 | 0
> | srtp:sdes:AES_CM_256_HMAC_SHA1_80*
> * | ip-172-31-42-34.ec2.internal | 1010 at x.x.x.x | | ACTIVE
> | Outbound Call | 1010 | SEND |
> 47fa445c-56da-11e5-abf5-a53fe62ce2f9 | Extension 1003 | 100*
> *3 | Extension 1003 | 1003 | 180.151.83.178 |
> 1010 | XML | default*
> * 47fa445c-56da-11e5-abf5-a53fe62ce2f9 | inbound | 2015-09-09 10:05:22 |
> 1441793122 | sofia/internal/1003 at x.x.x.x | CS_EXECUTE |
> 1003 | 1003 | 180.151.83.*
> *178 | 1010 | bridge | user/1010 at x.x.x.x | XML | default | opus
> | 48000 | 0 | opus | 48000 | 0
> | srtp:sdes:AES_CM_128_HMAC_SHA1_80*
> * | ip-172-31-42-34.ec2.internal | 1003 at x.x.x.x | | ACTIVE
> | Outbound Call | 1010 | SEND |
> 47fa445c-56da-11e5-abf5-a53fe62ce2f9 | Outbound Call | 101*
> *0 | 1003 | 1003 | 180.151.83.178 |
> 1010 | XML | default*
> *(2 rows)*
>
>
> Attached herewith the complete FreeSWITCH log. Please let me know if any
> other information is required.
>
> Any help from your side would be really appreciated. Seeking some guidance
> & help from FreeSWITCH team.
>
> --
>
> *Thanks:*
>
> Saurabh Kumar Verma
>
> VVDN Technologies Pvt Ltd
> *Cell* : +91 7042378747 | *Skype* : saurabh.verma001
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
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>
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