diff options
Diffstat (limited to 'configs/sip.conf.sample')
| -rw-r--r-- | configs/sip.conf.sample | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/configs/sip.conf.sample b/configs/sip.conf.sample index 358481143..a07f275a4 100644 --- a/configs/sip.conf.sample +++ b/configs/sip.conf.sample @@ -1087,15 +1087,25 @@ srvlookup=yes ; Enable DNS SRV lookups on outbound calls ;------------------------------------------------------------------------------ ; DEVICE CONFIGURATION ; -; The SIP channel has two types of devices, the friend and the peer. -; * The type=friend is a device type that accepts both incoming and outbound calls, -; where Asterisk match on the From: username on incoming calls. -; (A synonym for friend is "user"). This is a type you use for your local -; SIP phones. -; * The type=peer also handles both incoming and outbound calls. On inbound calls, -; Asterisk only matches on IP/port, not on names. This is mostly used for SIP -; trunks. -; +; SIP entities have a 'type' which determines their roles within Asterisk. +; * For entities with 'type=peer': +; Peers handle both inbound and outbound calls and are matched by ip/port, so for +; The case of incoming calls from the peer, the IP address must match in order for +; The invitation to work. This means calls made from either direction won't work if +; The peer is unregistered while host=dynamic or if the host is otherise not set to +; the correct IP of the sender. +; * For entities with 'type=user': +; Asterisk users handle inbound calls only (meaning they call Asterisk, Asterisk can't +; call them) and are matched by their authorization information (authname and secret). +; Asterisk doesn't rely on their IP and will accept calls regardless of the host setting +; as long as the incoming SIP invite authorizes successfully. +; * For entities with 'type=friend': +; Asterisk will create the entity as both a friend and a peer. Asterisk will accept +; calls from friends like it would for users, requiring only that the authorization +; matches rather than the IP address. Since it is also a peer, a friend entity can +; be called as long as its IP is known to Asterisk. In the case of host=dynamic, +; this means it is necessary for the entity to register before Asterisk can call it. +; ; Use remotesecret for outbound authentication, and secret for authenticating ; inbound requests. For historical reasons, if no remotesecret is supplied for an ; outbound registration or call, the secret will be used. |