This config is to allow a Yealink W70B / W56H DECT phone to register as ‘101’, and then place and receive calls via the PSTN (using port fxo 0 0
). It’s useful while waiting for number ports (PSTN to SIP provider) to complete instead of putting PSTN on call-divert, and in my case I actually just want to install the SIP-only DECT phone and leave the copper line in place for now. I am aware of the Gigaset N300IP (combined SIP and POTS) but those don’t support PoE. This will allow me to put the W70B PoE DECT base in a good central location and still use the POTS line.
I spent an afternoon trying to figure out why the location service wasn’t working. I could see that directing PSTN to IF_SIP worked, but IF_SIP didn’t know where to send the call. Directing it to the location service didn’t work and there was nothing at all in the syslog. It turns out I needed the mapping function to rewrite the called_nr to 101 so that it would match the registered identity in the location service.
Also, outgoing calls do not work with dial-after dialtone. I had to use dial-after timeout 1. However I was using an ATA to simulate a PSTN line at home so YMMV. Ignore that. When I connected to a real line, the default dial-after dialtone worked fine.
You should update the password to something strong.
That’s this bit here: authentication-service SER_AUTH
realm 1 smartnode-gw
username 101 password 101
#----------------------------------------------------------------#
# #
# SN4112/JO/EUI #
# R6.11 2019-07-02 H323 SIP FXS FXO #
# 2024-08-09T18:47:19 #
# SN/00A0BA0BD2B7 #
# Generated configuration file #
# #
#----------------------------------------------------------------#
cli version 3.20
clock local default-offset +00:00
webserver port 80 language en
sntp-client
sntp-client server primary uk.pool.ntp.org port 123 version 4
system
ic voice 0
low-bitrate-codec g729
profile ppp default
profile call-progress-tone UK_Dialtone
play 1 5000 350 -13 440 -13
profile call-progress-tone UK_Alertingtone
play 1 400 400 0 450 0
pause 2 200
play 3 400 400 0 450 0
pause 4 2000
profile call-progress-tone UK_Busytone
play 1 375 400 0
pause 2 375
profile call-progress-tone UK_CongestionTone
play 1 400 400 0
pause 2 350
play 3 225 400 0
pause 4 525
profile call-progress-tone UK_WaitingTone
play 1 100 400 0
pause 2 5000
profile call-progress-tone UK_ReleaseTone
play 1 1500 400 0
profile tone-set default
profile tone-set UK
map call-progress-tone dial-tone UK_Dialtone
map call-progress-tone ringback-tone UK_Alertingtone
map call-progress-tone busy-tone UK_Busytone
map call-progress-tone waiting-tone UK_WaitingTone
map call-progress-tone release-tone UK_ReleaseTone
map call-progress-tone congestion-tone UK_CongestionTone
profile voip default
codec 1 g711alaw64k rx-length 20 tx-length 20 silence-suppression
codec 2 g711ulaw64k rx-length 20 tx-length 20 silence-suppression
no high-pass-filter
profile pstn default
echo-canceler-hybrid-loss 9
profile sip default
no autonomous-transitioning
profile aaa default
method 1 local
method 2 none
context ip router
interface eth0
ipaddress dhcp
tcp adjust-mss rx mtu
tcp adjust-mss tx mtu
context cs switch
national-prefix 0
international-prefix 00
routing-table called-e164 RT_FROM_PSTN
route default dest-service SIP_LOC_SER MAP_CALLED_NR_101
mapping-table called-e164 to called-e164 MAP_CALLED_NR_101
map "" to 101
interface sip IF_SIP
bind context sip-gateway GW_SIP
route call dest-interface IF_PSTN_00
early-disconnect
use profile tone-set UK
service sip-location-service SIP_LOC_SER
bind location-service SER_LOCATION
interface fxo IF_PSTN_00
route call dest-table RT_FROM_PSTN
loop-break-duration min 80 max 300
disconnect-signal loop-break
use profile tone-set UK
context cs switch
no shutdown
authentication-service SER_AUTH
realm 1 smartnode-gw
username 101 password 101
location-service SER_LOCATION
domain 1 smartnode-gw
match-any-domain
identity-group default
registration inbound
lifetime default 3600 min 1 max 4294967295
identity 101 inherits default
display-name 101
authentication inbound
authenticate 1 authentication-service SER_AUTH username 101
registration inbound
lifetime default 3600 min 1 max 4294967295
context sip-gateway GW_SIP
interface WAN
bind interface eth0 context router port 5060
context sip-gateway GW_SIP
bind location-service SER_LOCATION
no shutdown
port ethernet 0 0
medium auto
encapsulation ip
bind interface eth0 router
no shutdown
port fxo 0 0
use profile fxo gb
encapsulation cc-fxo
bind interface IF_PSTN_00 switch
no shutdown
port fxo 0 1
shutdown
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