Would someone be able to provide guidance on busying out channels on a PRI to test that calls are flowing to the second PRI? I followed the example on SIP to Dual PRI and am able to receive and place calls just not sure how to test the calls going to the second PRI if the first is full.
Garabedy,
You could add an overflow route to your second sip trunk in your call controller to test, you could MMB the first trunk in the call controller and then test in the adtran by showing isdn resources to see b-channels in use.
Patrick
Could you explain this in more detail, I have the same issue with 3 PRI's on a NetVanta 640. Only I am the SIP provider through my Soft switch.
Patrick,
Thank you for your response. Do you know, If I used the sample explained in the “ Total Access 9XXe - SIP to dual PRIs sample configuration” document, as far as the Adtran is concerned it should overflow to the second PRI, it just a matter of testing on the call controller?
Normrr,
What type of soft-switch?
Garabedy,
In the adtran unit using firmware R10.9.6
Isdn-group 1
Connect pri 1
Connect pri 2
Pri 1 will overflow to 2.
How is the pbx set to route calls?
How is the call controller set for call limit on sip trunk?
How is call route set on that trunk group?
Here is my configuration. Your help is really appreciated
!
!
! ADTRAN, Inc. OS version R11.12.0.E
! Boot ROM version R10.9.3.B1
! Platform: Total Access 908e (3rd Gen), part number 4243908F2
! Serial number CFG1395244
!!
!
interface eth 0/1
ip address dhcp
media-gateway ip primary
no shutdown
!
!
interface eth 0/2
no ip address
shutdown
!
!
!
interface gigabit-eth 0/1
no ip address
shutdown
!
!
!
!
interface t1 0/1
shutdown
!
interface t1 0/2
shutdown
!
interface t1 0/3
tdm-group 1 timeslots 1-24 speed 64
no shutdown
!
interface t1 0/4
lbo short 15
tdm-group 1 timeslots 1-24 speed 64
no shutdown
!
!
interface pri 1
role network b-channel-restarts enable
connect t1 0/3 tdm-group 1
digits-transferred 4
no shutdown
!
interface pri 2
role network b-channel-restarts enable
connect t1 0/4 tdm-group 1
digits-transferred 4
no shutdown
!
!
interface fxs 0/1
shutdown
!
interface fxs 0/2
shutdown
!
interface fxs 0/3
shutdown
!
interface fxs 0/4
shutdown
!
interface fxs 0/5
shutdown
!
interface fxs 0/6
shutdown
!
interface fxs 0/7
shutdown
!
interface fxs 0/8
shutdown
!
!
interface fxo 0/0
shutdown
!
!
isdn-group 1
connect pri 1
connect pri 2
!
!
!
!
!
!
!
!
!
!
!
ip route 0.0.0.0 0.0.0.0 10.1.1.1
!
no tftp server
no tftp server overwrite
http server
no http secure-server
no snmp agent
no ip ftp server
no ip scp server
no ip sntp server
!
!
!
!
!
!
!
!
sip
sip udp 5060
no sip tcp
no sip tls
!
!
!
voice feature-mode network
voice forward-mode network
!
!
!
!
!
!
!
!
voice dial-plan 1 local NXX-XXXX
voice dial-plan 2 long-distance 1-NXX-NXX-XXXX
!
!
voice email-list emergency
description "Emergency Call Placed"
sender
address
!
!
!
voice codec-list VOICE
default
codec g711ulaw
!
voice codec-list FAXMODEM
codec g711ulaw
!
!
!
voice trunk T01 type sip
description "SIP"
match dnis "91-NXX-NXX-XXXX" substitute "1-NXX-NXX-XXXX"
sip-server primary xxx
registrar primary xxx
register xxxx auth-name "xxx" password "x"
codec-list VOICE both
authentication username "xxx" password "xxx"
!
voice trunk T02 type isdn
description "DSX-1"
resource-selection linear ascending
connect isdn-group 1
no early-cut-through
match dnis "1xxxxx" substitute "1xx"
match dnis "1xxxxx" substitute "1xx"
match dnis "1xxxx" substitute "1xx"
rtp delay-mode adaptive
codec-list VOICE
!
!
voice grouped-trunk SIP
trunk T01
accept $ cost 0
!
!
voice grouped-trunk ISDN
trunk T02
accept xxxxxx cost 0
!
!
!
I have a Netsapiens
Garabedy,
After looking at your configuration, a few things I notice different from mine.
1. On T01 I have max-number-calls 46 (since I am using 2 PRIs with 23 b channels a piece)
2. On ISDN-Group 1 I also have max-channels 46
3. on the PRI interfaces - role network b-channel restarts disabled
! ADTRAN, Inc. OS version R10.9.6.E
! Boot ROM version R10.9.3.B2
! Platform: Total Access 908e (3rd Gen),
!
!
!
interface gigabit-eth 0/1
ip address XXXX XXXXX
media-gateway ip primary
no awcp
no shutdown
no lldp send-and-receive
!
interface t1 0/3
description First PRI
fdl none
tdm-group 1 timeslots 1-24 speed 64
no shutdown
!
interface t1 0/4
description Second PRI
fdl none
tdm-group 1 timeslots 1-24 speed 64
no shutdown
!
!
interface pri 1
description PRI
connect t1 0/3 tdm-group 1
no shutdown
!
interface pri 2
description overflow PRI
connect t1 0/4 tdm-group 1
no shutdown
!
!
!
isdn-group 1
max-channels 46
connect pri 1
connect pri 2
!
!
!
!
timing-source t1 0/3
!
!
!
voice feature-mode network
voice forward-mode network
!
!
!
!
!
!
!
!
!
!
!
!
voice codec-list VOICE
codec g711ulaw
codec g729
!
!
!
voice trunk T01 type sip
description "SIP TRUNK"
sip-server primary XXXXXXXXXXX
registrar primary XXXXXXXX
outbound-proxy primary XXXXXXXXXXX
max-number-calls 46
codec-list VOICE both
authentication username "XXXXXXXXXX" password encrypted "XXXXXXXXXXX"
!
voice trunk T02 type isdn
description "ISDN TRUNKS"
resource-selection circular descending
connect isdn-group 1
no early-cut-through
modem-passthrough
rtp delay-mode adaptive
codec-list VOICE
!
!
voice grouped-trunk "SIP TRUNK GROUP"
trunk T01
accept $ cost 0
!
!
voice grouped-trunk "DUAL PRI"
trunk T02
accept $ cost 0
!
ip rtp symmetric-filter
ip rtp dtmf-relay min-duration 50
!
!
ip rtp quality-monitoring
ip rtp quality-monitoring sip
!
If you'd like to test your overflow, shutdown the first pri link by issuing a shutdown command on interface PRI 1. You can then place a call and use TA908e# show isdn resource to see your call connect or alert on the 2nd pri.
-------------------------------------------------------------------------------
Interface: Channel Trunk: Appearance Slot/Prt: Call
ChannelId State:GID Appearance State B-Channel State
-------------------------------------------------------------------------------
pri 1:0 Reserved:1 T02:11 TAS_Deliveri0/3:19 OutgoingAlerting
pri 2:0 Available --- --- --- ---
pri 2:1 Available --- --- --- ---
pri 2:2 Available --- --- --- ---
pri 2:3 Available --- --- --- ---
pri 2:4 Available --- --- --- ---
pri 2:5 Available --- --- --- ---
pri 2:6 Available --- --- --- ---
pri 2:7 Available --- --- --- ---
pri 2:8 Available --- --- --- ---
pri 2:9 Available --- --- --- ---
pri 2:10 Available --- --- --- ---
pri 2:11 Available --- --- --- ---
pri 2:12 Available --- --- --- ---
pri 2:13 Available --- --- --- ---
pri 2:14 Available --- --- --- ---
pri 2:15 Available --- --- --- ---
pri 2:16 Available --- --- --- ---
pri 2:17 Available --- --- --- ---
pri 2:18 Available --- --- --- ---
pri 2:19 Available --- --- --- ---
pri 2:20 Available --- --- --- ---
pri 2:21 Available --- --- --- ---
pri 2:22 Available --- --- --- ---
If the call does not come in on the 2nd pri with the first one shut down, verify you have operational status of your pri interface
TA908e# show interface Pri 2
you should make sure your PBX and your adtran unit are agreeing on framing, coding, and isdn switch type.
framing and coding are handled on the T1 interface, and isdn switch-type commands are handled on the PRI interface.
on my T1s I use ESF framing, and b8zs coding, and the isdn switch-type is NI2. Yours may be different, but as long as they match you should be fine. Also, I would remove the lbo setting until you test your switch type, framing, and coding.
Make sure when you're finished to issue the no shutdown command back on your PRI 1 interface.
Hope that helps,
Patrick