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Dear all, I've recently installed Asterisk and am trying to understand where exactly Asterisk 'fits' in my VOIP architecture. Can/does Asterisk work as a proxy? (or only as a register server?) I am specifically interested in SIP. Could anyone perhaps point me out to a diagram with SIP users and Asterisk to better understand how I should set up my network? Thank you

I have a rather technical question here. I'm looking at the code in app/app_voicemail.c, I'm wondering when the vmauthenticate() function is called. Aside from being called by load_module() as follows: res |= ast_register_application(app4, vmauthenticate, synopsis_vmauthenticate, descrip_vmauthenticate); I can't see any other calls to it. Can someone explain to me at what point in

In Asterisk 1.2.13 in app/app_voicemail.c, line 4700 ext_pass_cmd is checked to decide whether to use vm_change_password or vm_change_password_shell to change a user's password for his voicemail account. I wonder, what is the difference between vm_change_password and vm_change_password_shell - what is that shell? The only reference I found on the Internet was the following bug report:

Is it possible to reject all incoming calls that do not have a CID? Could I do something like that (modified version from the book): exten => 123,1,GotoIf($[${CALLERIDNUM} = ]?20:10) exten => 123,10,Dial(Zap/4) exten => 123,20,Playback(abandon-all-hope) exten => 123,21,Hangup( Alternatively, what's the privacy.conf file for? What does it mean for a user to have to chances to

I understand this function (line 832 in app_voicemail.c) is used to retrieve a voice message. What I don't understand however is why ".txt" is appended to the end of the filename. Could someone shed some light on this for me? Thanks, Jez if (msgnum > -1) make_file(fn, sizeof(fn), dir, msgnum); else ast_copy_string(fn, dir, sizeof(fn)); snprintf(full_fn, sizeof(full_fn),

I'm wondering if anyone is having problems when multiple users concurrently change their voicemail passwords. Consider the following scenario (based on vm_change_password() in app_voicemail.c): - user1 wishes to change his password so voicemail.conf is opened and read into a buffer - user1 changes his password - user2 wishes to change his password so voicemail.conf is opened and read into a