Telefonia IP - SIP

Para configurar un dispositivo sip en nuestra red lo podemos hacer de la siguiente manera:

[1000]

type=friendcontext=phoneshost=dynamicsecret=guessthis

Donde [1000] es el usuario y secret la clave que debemos configurar en el dispositivo.

En context tenemos la marcacion que tiene permitida esta extensio a realizar

Ver la extension en asterisk

sip reload

sip show peers

Name/username Host Dyn Nat ACL Port Status1000/1000 192.168.1.250 D N 5061 OK (63 ms)1 sip peers [1 online , 0 offline]

sip show peer 1000

* Name : 1000 Secret : <Not set> MD5Secret : <Not set> Context : phones Subscr.Cont. : <Not set> Language : AMA flags : Unknown Transfer mode: open CallingPres : Presentation Allowed, Not Screened Callgroup : Pickupgroup : Mailbox : VM Extension : asterisk LastMsgsSent : 32767/65535 Call limit : 0 Dynamic : Yes Callerid : "" <> MaxCallBR : 384 kbps Expire : 1032 Insecure : no Nat : RFC3581 ACL : No T38 pt UDPTL : No CanReinvite : Yes PromiscRedir : No User=Phone : No Video Support: No Trust RPID : No Send RPID : No Subscriptions: Yes Overlap dial : Yes DTMFmode : rfc2833 LastMsg : 0ToHost : Addr->IP : 192.168.1.250 Port 5061 Defaddr->IP : 0.0.0.0 Port 5060 Def. Username: 1000 SIP Options : (none) Codecs : 0x8000e (gsm|ulaw|alaw|h263) Codec Order : (none) Auto-Framing: No Status : Unmonitored Useragent : X-Lite release 1105d Reg. Contact : sip:1000@192.168.1.250:5061

Configurar una troncal SIP de un proveedor

[my_service_provider]

type=peerhost=10.251.55.100fromuser=my_unique_idsecret=my_special_secretcontext=from-pstndtmfmode=rfc2833disallow=allallow=gsmallow=ulawdeny=0.0.0.0/0permit=10.251.55.100/32insecure=invite

Si el servidor tiene registro utilizamos:

Para conectar 2 servidores por SIP

[general]register => toronto:welcome@192.168.1.101/osaka
[osaka]type=friendsecret=welcomecontext=osaka_incominghost=dynamicdisallow=allallow=ulaw

En el otro servidor:

[general]register => osaka:welcome@192.168.2.202/toronto
[toronto]type=friendsecret=welcomecontext=toronto_incominghost=dynamicdisallow=allallow=ulaw

Dialplan basico para llamadas

[default]

exten => s,1,Verbose(1,Llamada de Entrada)exten => s,n,Answer()exten => s,n,Wait(1)exten => s,n,Playback(tt-weasels)exten => s,n,Hangup()

[internas]

exten => 500,1,Verbose(1,Llamada entre extensiones)exten => 500,n,Dial(SIP/${EXTEN},30)exten => 500,n,Hangup()
exten => _2XXX,1,Verbose(1,Llamada entre extensiones)exten => _2XXX,n,Dial(SIP/${EXTEN},30)exten => _2XXX,n,Playback(the-party-you-are-calling&is-curntly-unavail)exten => _2XXX,n,Hangup()

[phones]

include => internasinclude => remote

[remote]

exten => _1XXX,1,NoOp()exten => _1XXX,n,Dial(SIP/osaka/${EXTEN})exten => _1XXX,n,Hangup()

[osaka_incoming]

include => internas

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