TrTryingo get * to register to a service that uses account and pin but the PIN must be encrypted using MD5. The service does not require the phone number to register to the SIP Proxy. I can get the REGISTER message to send the account by using the below register line in the [general] section of the sip.coconf register=123456789012:1000@192.168.0.1/123456789012 but am still perplexed on how to send the PIN encrypted using MD5. acct = 123456789012 PIN = 1000 My [contexts], under sip.coconflooks as follows: [general] port = 5060 ; Port to bind to bibindaddr 0.0.0.0 ; Address to bind SIP channel to context = voice-mail ; Default context for incoming calls dtdtmfmodefrfc33 register=123456789012@192.168.0.1/17135551212 [17135551212] type=peer context=vovoicelinedtdtmfmodefrfc33 secret=1000 qualify=1000 ususername23456789012 host=dynamic dedefaultip92.168.0.1 auauthD5 ;acaccountcode23456789012 Below is the REGISTER packet sent by the InInnoMediaevice that successfully registered with the SIP proxy. ------------ SIP Header ------------ Message Type = Request Method = REGISTER Request URI = sip:192.168.0.1:5060 SIP Version = SIP/2.0 Via = SIP/2.0/UDUDP92.168.0.49:5060;branch=z9hGhGKbKd576315060-11 (Path Taken By Request Till Now)>From = sip:711130276219@192.168.0.1:5060;tag=D835763113C4-002120DC0(Request Initiator) To = sip:711130276219@192.168.0.1:5060 (Recipient Of Request) Call-ID = 1-2120dcdcbbb1a9a@192.168.0.49 (Unique Identifier) CsCseq 102 REGISTER (Command Sequence Number) User-Agent = InInnoMediaTMTA28-2 V2.2.59 SN/001099006807 (Client Information) Contact = <sip:711130276219@192.168.0.49:5060;cos=0;stun=0> (Contact Details) Expires = 3600 (Time After Which Message Content Expires) Proxy-Authorization = Digest ususername711130276219",realm="kukurtururisip:192.168.0.1:5060",nonce="773FCFC316B3EC0E3BFBFABECEAD7957",algorithm=MD5,response="e5ff2cece6dd0509fefe1bcbcf19d8e2" (Client Identification) Max-Forwards = 70 (Limit On Number Of Proxies/Gateways) Content-Length = 0 (Message Body Length In Octets) Kurt __________________________________ Do you Yahoo!? New and Improved Yahoo! Mail - 100MB free storage! http://promotions.yahoo.com/new_mail