Sorry, I am not that good in linphone configuration file so I may be wrong, but it seems to me that reg_proxy should only contain uri of the server, not the user part. Moreover, I have definitely more options there but not using it as an IMS.

Mine is a bit more wordy:

[proxy_3]
reg_proxy=<sip:sip.server.here;transport=udp>
reg_identity=sip:420123456789@sip.server.here
realm=sip.linphone.org
contact_parameters=message-expires=604800
quality_reporting_collector=sip:voip-metrics@sip.linphone.org;transport=tls
quality_reporting_enabled=1
quality_reporting_interval=180
reg_expires=600
reg_sendregister=1
publish=1
avpf=-1
avpf_rr_interval=1
dial_escape_plus=0
privacy=32768
push_notification_allowed=0
idkey=proxy_config_voVF8eoXq46cJLs
publish_expires=600
nat_policy_ref=bUwFfNPHt40-miQ

Could you send the REGISTER message not being accepted?

Regards, Jan

On 30. 09. 20 12:54, Pavithra Mohanraja wrote:
Hi Jan,
I'm trying to connect linphone to my kamailio ims. Only register request is sent from Linphone and no acknowledgement  is received. I'm attaching you my linphonerc file. Please advise if any correction is required in the configuration. 

On Wed, Sep 30, 2020 at 3:50 PM Jan Rozhon <jan.rozhon@gmail.com> wrote:

Hey, I have no problems with linphone (desktop and mobile).

Could you be more specific on what you set up and/or what the communication looks like when using linphone?

Regards, Jan

Dne 30.09.2020 v 11:55 Pavithra Mohanraja napsal(a):
Hi,
I am a newbie to sipclient Linphone. I know this issue is not related with kamailio.Yet If anybody have tried it before , kindly provide me with some links or procedures to be followed for call registration and connectivity with kamailio since in my case, request is going but response is not coming back resulting in timeout issue.

This happens only in linphone.If i do the samething in PJSIP/zoiper, call registration and call establishment happens perfectly fine.

Kindly help.

Thanks,
Pavithra

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