Hi, I'm using the SPA-2000 with firmware 1.06 on the Asterisk PBX, which works great for taking and placing calls, but for for some reason I can't seem to clear the stutter dialtone by either calling the extension I'm on, or the voicemail system on the Asterisk PBX. If I call my voicemail access extension directly, It tells me I have no messages waiting, yet when I hang up, then pick up the receiver, I still get a stuttered dial tone. Here is the contents of the sip.conf file: [general] port=5060 bindaddr=XXX.XXX.XXX.XXX tos=lowdelay disallow=all allow=ulaw ; ; SIP Entry for sipura line 1 ; This phone is allowed to dial extensions and local phone numbers ; [101] type=friend host=dynamic context=house-local reinvite=no canreinvite=no qualify=300 callerid="Sipura Line 1" <101> mailbox=101 nat=0 ; Sample for sipura line 2 ; This phone is allowed to dial extensions and local phone numbers ; [102] type=friend host=dynamic context=house-local reinvite=no canreinvite=no qualify=300 callerid="Sipura Line 2" <102> mailbox=102 nat=0 Here are my SIP configuration settings for the sipura box from the line1 web page: Proxy: [FQDN of asterisk server] Outbound proxy: [Blank] Register: YES Register Expires: 3600 Use DNS SRV: NO Use Outbound Proxy: NO Use OB Proxy in Dialog: YES Make Call Without Reg: NO Ans Call without Reg: NO Display Name: SIP LINE 1 User ID: 101 Use Auth ID: NO Supplementary Service Subscriptions all set to YES. Audio Config: N/A? Dial Plan: (6x.|1xx|9,911|9,[2-9]xxxxxx|9,1[2-9]xx[2-9]xxxxxx) Thanks, Steve Rodgers San Diego CA.