[Serusers] Compare "Contact" and "Digest username" in REGISTER

[Klaus Darilion]

Which clients do you use? Allow these clients to configure the username 
part of the Contact: header?

klaus

Gerhard Zweimueller wrote:

> Hi list,
>  
> we operate a commercial PSTN-replacement service.
>  
> For my setup we need to restrict the contact-information that the user
> register with.
>  
> Only the assigned E.164 number in "Contact" shall be allowed with a
> specific "Digest username" in REGISTER
> Our contact and digest_username are very similar and only differ by a
> prefixed '0' in contact.
>  
> E.g.
> Contact: <sip:0123456 at cpe.network:5060;transport=UDP>
> Authorization: Digest username="123456", realm="network......
>  
> Is it possible to compare these two and only allow registration if the
> comparison returns true?
>  
> Thanks for your help and best regards,
> Gerhard
>  
>  
> 
> 
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