Something

root@braserv:/tmp# cat /etc/asterisk/sip.conf
[general]
; Nothing in this section
;srvlookup=yes
localnet=192.168.0.0/255.255.255.0
;externaddr=189.105.71.43
;fromdomain=braserv.chickenkiller.com:5060
externhost=braserv.chickenkiller.com
externrefresh=120
;canreinvite=no
directmedia=no
qualify=yes
nat=yes

[authentication]
; Nothing in this section

; ----------- TEMPLATES ------------ ;
[basic-options](!)                ; a template
        dtmfmode=auto
        context=sip-phones
        type=friend
        ;type=peer
	host=dynamic
	notifyringing=yes
	call-limit=100

[natted-phone](!,basic-options)   ; another template inheriting basic-options
        nat=yes
        directmedia=no
	qualify=yes

[public-phone](!,basic-options)   ; another template inheriting basic-options
        nat=no
        directmedia=yes

[my-codecs](!)                    ; a template for my preferred codecs
        disallow=all
        allow=ulaw
	allow=alaw
	allow=ilbc
        allow=g729
        allow=gsm
        allow=g723
        
[ulaw-codec](!)                   ; and another one for ulaw-only
        disallow=all
        allow=ulaw

[alaw-codec](!)                   ; and another one for alaw-only
        disallow=all
        allow=alaw

[gsm-codec](!)                   ; and another one for gsm-only
        disallow=all
        allow=gsm

; ----------- SIP EXTENSIONS ----------- ;
[janailton](basic-options,ulaw-codec)
;[janailton](basic-options,alaw-codec)
;[janailton](basic-options,my-codecs)
	callerid=Janailton Santos <1001>
	secret=
	mailbox=1001@default

;[sasa](basic-options,my-codecs)
[sasa](basic-options,ulaw-codec)
	callerid=Sasa Ostrouska <1002>
	secret=
	mailbox=1002@default

;[ludmila](basic-options,my-codecs)
[ludmila](basic-options,ulaw-codec)
	callerid=Ludmila Sena Ostrouska <1003>
	secret=
	mailbox=1003@default

[rosana](basic-options,ulaw-codec)
	callerid=Rosana Silva <1004>
	secret=
	mailbox=1004@default

;[casasip](natted-phone,my-codecs)
;[casasip](natted-phone,ulaw-codec)
[casasip](natted-phone,gsm-codec)
	callerid=Casa Ludmila Sasa <1005>
	secret=
	mailbox=1005@default

[rcoffice](natted-phone,gsm-codec)
	callerid=R.C. di Ostrouska Sasa <1006>
	secret=
	mailbox=1006@default

;[leandro](basic-options,my-codecs)
[leandro](basic-options,ulaw-codec)
	callerid=Leandro Guedes <1007>
	secret=
	mailbox=1007@default


root@braserv:/tmp#