[SIPForum-discussion] How is SIP billed ?

Yevgen Krapiva ykrapiva at gmail.com
Wed Apr 22 07:25:26 UTC 2009


Can you say me what methods are used to bill SIP phone calls ?
As I understand, to bill SIP you must ensure that all SIP signalling
passes some Proxy or B2BUA. This is impossible as I can always call
another caller directly, passing by proxy.

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