[SR-Users] Facing issue in Registration of SIP Client

sainath.ellendula at wipro.com sainath.ellendula at wipro.com
Wed Feb 24 14:14:05 CET 2016

Hi Franz,

Thanks for your response.

Followed steps as suggested, Created new user in HSS to not to modified the existence.

Created new user with "1003" and given authentication algorithm as "Digest-MD5". Even i tried with authentication algorithm as "SIP Digest" but observed same error as below.
Configured X-lite softfone and tried to register a user but getting error as "403 Forbidden - HSS Authentication Scheme Unsupported"

Please find the user creation details, X-lite configuration & traces.

Please suggest me for anymore changes has to be done.

Thanks in advance!!


From: Franz Edler <franz.edler at technikum-wien.at>
Sent: 18 February 2016 22:41
To: Sainath Ellendula (NEP); sr-users at lists.sip-router.org
Subject: RE: Facing issue in Registration of SIP Client


> I have modified the Xlite configuration. Now user is failed to REGISTER
> "401 unauthorized - challenging the UE" to challenge the user, here user
> not sending any response with authorized details.

Xlite client does not use the IMS-AKA based authentication but SIP digest.
Therefore you must adapt the authentication for the user (bob) in HSS
accordingly and set in the default authentication algorithm in the
parameter-file scscf.cfg to "HSS-selected"
(define REG_AUTH_DEFAULT_ALG "HSS-Selected").

BR Franz

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