Calls not working

Dear All,

Iam working on Asterisk server having
one Digium A4B card build with 2 no’s of single port fxo modules,(total 2 FXO Ports)
one Digium A8B card build with 2 no’s of four port FXS modules, (total 8 FXS Ports)

Configured chennels as given below:
Channel map:

Channel 01: FXS Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 01)
Channel 02: FXS Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 02)
Channel 05: FXO Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 05)
Channel 06: FXO Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 06)
Channel 07: FXO Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 07)
Channel 08: FXO Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 08)
Channel 09: FXO Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 09)
Channel 10: FXO Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 10)
Channel 11: FXO Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 11)
Channel 12: FXO Kewlstart (Default) (Echo Canceler: mg2) (Slaves: 12)

localhost*CLI> dahdi show status
Description Alarms IRQ bpviol CRC Fra Codi Options LBO
Wildcard A4B OK 0 0 0 CAS Unk 0 db (CSU)/0-133 feet (DSX-1)
Wildcard A8B OK 0 0 0 CAS Unk 0 db (CSU)/0-133 feet (DSX-1)

localhost*CLI> dahdi show channels
Chan Extension Context Language MOH Interpret Blocked In Service Description
pseudo default default Yes
1 I ncoming default Yes
2 Incoming default Yes
5 Internal default Yes
6 Internal default Yes
8 nternal default Yes
9 Internal default Yes
10 Internal default Yes
11 Internal default Yes
12 Internal

here Iam connected Two Analog Phones to FXS port1, and port2 .
Our office communication telephone line having number 4419, is connected in FXO port 1.
here Iam getting Dial tone but unable to make local calls as well as fxo call to our office numbers I tryed to configure but failed to getting proper results.
any one please help me and suggest the required configuration to make local and outside calls,

With Regards,
Ramana

Overall I have added below configuration in corresponding files, please suggest the corrections and additions in my configuration.

configuration done in etc/dahdi/system.conf :

fxsks=1
echocanceller=mg2,1
fxsks=2
echocanceller=mg2,2

channel 3, WCTDM/0/2, no module.

channel 4, WCTDM/0/3, no module.

fxoks=5
echocanceller=mg2,5
fxoks=6
echocanceller=mg2,6
fxoks=7
echocanceller=mg2,7
fxoks=8
echocanceller=mg2,8
fxoks=9
echocanceller=mg2,9
fxoks=10
echocanceller=mg2,10
fxoks=11
echocanceller=mg2,11
fxoks=12
echocanceller=mg2,12

Global data

loadzone = us
defaultzone = us

configuration done in etc/asterisk/chan_dahdi.conf

;GENERAL OPTIONS
usecallerid = yes
hidecallerid = no
callwaiting = yes
threewaycalling = yes
transfer = yes
echocancel = yes
echocancelwhenbridged = yes
rxgain = 0.0
txgain = 0.0

;FOR FXO (RED) MODULES
group = 1
echocancel = yes
signalling = fxs_ks
context = Incoming
channel = 1-2

;FOR FXS (GREEN) MODULES
group = 2
signalling = fxo_ks
context = Internal
channel = 5-12

configuration done in etc/asterisk/voicemail.conf

1000 => 1234,ramana,venkataramanag@icommtele.com
2000 => 1234,gvramana,ramanag469@gmail.com

configuration done in etc/asterisk/extensions.conf
[Internal]
exten => 1000,1,Dial(DAHDI/1,20,rt)
exten => 1000,2,Voicemail(1000,u)
exten => 1000,102,Voicemail(1000,b)

exten => 2000,1,Dial(DAHDI/2,20,rt)
exten => 2000,2,Voicemail(2000,u)
exten => 2000,102,Voicemail(2000,b)

exten => 8500,1,VoiceMailMain
exten => 8501,1,MusicOnHold

exten => _9.,1,Dial(DAHDI/g2/www${EXTEN:1})
exten => _9.,2,Congestion

[Incoming]
exten => s,1,Answer
exten => s,2,Dial(DAHDI/g1,20,rt)
exten => s,3,Voicemail(1000,u)
exten => s,103,Voicemail(1000,b)

I have connected Two analog Phones (POTS) to FXS card, please suggest me how to assign Numbers, (configuration) make calls between those two analog phones.

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