Initial demo attempt at improved configuration. No SIP trunk currently.

extensions.conf

@@ -1,12 +1,36 @@
-[general]
+[incoming]
-autofallthrough=yes
+    ; Redirect incoming calls to extension 441452221649 to internal extension 0.
+    exten => 441234567890,1,Goto(internal,0,1)
 
-[globals]
 
-[nexmo-trunk]
+[outgoing]
-exten => _X.,1,Dial(SIP/${EXTEN},30)
+    ; Redirect outgoing calls via SIP provider.
+    exten => _X.,1,Dial(SIP/441234567890)
+
 
 [internal]
-exten => 666,1,Dial(SIP/666)
+    ; Dialplan for extension 1000.
-exten => 777,1,Dial(SIP/777)
+    ; Dial SIP user 1000. Timeout after 10 seconds.
-exten => _X.,1,Dial(SIP/${EXTEN}@nexmo-<phone_number>)
+    exten => 1000,1,Dial(SIP/1000,10)
+    same => n,VoiceMail(${EXTEN})
+    same => n,Hangup
+    
+    ; Dialplan for extension 1001.
+    exten => 1001,1,Dial(SIP/1001,10)
+    same => n,VoiceMail(${EXTEN})
+    same => n,Hangup
+    
+
+    ; Dialgroup "everyone" at extension 0 to ring mulitple extensions. 
+    exten => 0,1,Set(DIALGROUP(everyone,add)=SIP/1000)
+    same => n,Set(DIALGROUP(everyone,add)=SIP/1001)
+    same => n,Dial(${DIALGROUP(everyone)},10)
+    same => n,VoiceMail(${EXTEN})
+    same => n,Hangup
+
+
+    ; Dialplans for redirecting calls to outgoing context.
+    ; Redirect outgoing national calls in format 01234567890.
+    exten => _0ZX.,1,Goto(outgoing,0044${EXTEN:1},1)
+    ; Redirect international calls in format 00441234567890.
+    exten => _00X.,1,Goto(outgoing,${EXTEN},1)

sip.conf

@@ -1,13 +1,26 @@
-#include nexmo.conf
+[general]
+    ; Default context for incoming calls.
+    context=public
+    ; Determines whether a phone is available before accepting call.
+    qualify=yes
 
-[666]
+
+; Settings common to all internal extensions.
+[internal-extension](!)
+    context=internal
     type=friend
     host=dynamic
-secret=123
+    allow=ulaw,alaw
-context=internal
 
-[777]
+[1000](internal-extension)
+    secret=supersecurepassword
+
+[1001](internal-extension)
+    secret=supersecurepassword
+
+[441234567890]
+    context=incoming
+    secret=supersecurepassword
     type=friend
     host=dynamic
-secret=456
+    allow=ulaw,alaw
-context=internal

voicemail.conf

@@ -0,0 +1,12 @@
+[general]
+    format=wav
+    maxsilence=10
+    maxmessage=180
+
+[default]
+    ; Voicemail inbox for missed dialgroup calls.
+    0 => 0000,0,test@example.com
+
+    ; Voicemail inboxes for individual extensions.
+    1000 => 0000,1000,test@example.com
+    1001 => 0000,1001,test@example.com