Hi guys,
I’m setting up a new location using an NFAS PRI configuration.
The hardware consists of Multispans with an ARC II and NMC333.
The code being run is TCS 4.5, specifically 3.5.109 Mdsp, 5.3.110 arc2, 8.7.3 nmc
NFAS is setup as follows:
Group 0 DeviceIDs 0-6 for a total of 7 spans. DeviceID 0 and 1 are my primary and secondary D Channels.
Trunk Settings are B8ZS/ESF with a switch type of NI2.
The D channels look good and everything appears normal, but the problem I am having is that calls made to the TC get dead air.
From TCS I see the DNIS information and that a call is coming in, but the call never completes.
A Q.931 trace is below for those that might find that helpful.
Please note that by changing the config to fas PRI on both sides, the modems will take calls. It’s only when in NFAS mode.
The softswitch in case anybody cares is made by Metaswitch.
I appreciate any and all responses, thank you.
Does anybody have a working NFAS setup in the US?
L1 : Physical : Span 0 : Network -> User
L2 : Data Link : SAPI 0 : TEI 0 : C/R 1 : Frame I : Ns 11 : Nr 20 : P/F 0
L3 : Call Ref : 1280
Message : SETUP
IE Name : Bearer capability
Octet 3 : Capability - CCITT coding, Speech
Octet 4 : Mode/rate - Circuit mode, 64 kbps
Octet 5 : Layer 1 - G.711 u-law
IE Name : Channel identification
Octet 3 : Interface - Explicitly identified, primary rate
: Selection - Preferred, B-channel, as follows
Octet 3.1 : Identifier - 6
Octet 3.2 : Channels - CCITT coding, channel number, B-channel units
Octet 3.3 : Number(s) - 24
IE Name : Progress indicator
Octet 3 : Location - CCITT coding, remote public network (RLN)
Octet 4 : Progress - Origination address is non ISDN
IE Name : Calling party number
Octet 3 : Type - National number
: Plan - ISDN/telephony numbering plan (E.164)
Octet 3a : Screening - Presentation restricted, network provided
IE Name : Calling party number
Octet 3 : Type - Unknown
: Plan - Unknown
Octet 3a : Screening - Number not available due to interworking, network provided
IE Name : Called party number
Octet 3 : Type - Subscriber number
: Plan - ISDN/telephony numbering plan (E.164)
Octet 4+ : Number - 7122900
Time 13:31:43.105
TX0: 02 01 01 18 : Total 4
L1 : Physical : Span 0 : User -> Network
L2 : Data Link : SAPI 0 : TEI 0 : C/R 1 : Frame RR : Nr 12 : P/F 0
Time 13:31:43.107
TX0: 00 01 28 18 08 02 85 00 02 18 04 E9 86 83 98 : Total 15
L1 : Physical : Span 0 : User -> Network
L2 : Data Link : SAPI 0 : TEI 0 : C/R 0 : Frame I : Ns 20 : Nr 12 : P/F 0
L3 : Call Ref : 1280
Message : CALL PROCEEDING
IE Name : Channel identification
Octet 3 : Interface - Explicitly identified, primary rate
: Selection - Exclusive, B-channel, as follows
Octet 3.1 : Identifier - 6
Octet 3.2 : Channels - CCITT coding, channel number, B-channel units
Octet 3.3 : Number(s) - 24
Time 13:31:43.108
TX0: 00 01 2A 18 08 02 85 00 07 : Total 9
L1 : Physical : Span 0 : User -> Network
L2 : Data Link : SAPI 0 : TEI 0 : C/R 0 : Frame I : Ns 21 : Nr 12 : P/F 0
L3 : Call Ref : 1280
Message : CONNECT
Time 13:31:43.109
TX0: 00 01 2C 18 08 02 85 00 45 08 02 80 90 : Total 13
L1 : Physical : Span 0 : User -> Network
L2 : Data Link : SAPI 0 : TEI 0 : C/R 0 : Frame I : Ns 22 : Nr 12 : P/F 0
L3 : Call Ref : 1280
Message : DISCONNECT
IE Name : Cause code
Octet 3 : Location - CCITT coding, user (U)
Octet 4 : Cause 16 - Normal call clearing
Time 13:31:43.110
RX0: 00 01 01 2A : Total 4
L1 : Physical : Span 0 : Network -> User
L2 : Data Link : SAPI 0 : TEI 0 : C/R 0 : Frame RR : Nr 21 : P/F 0
Time 13:31:43.111
RX0: 00 01 01 2C : Total 4
L1 : Physical : Span 0 : Network -> User
L2 : Data Link : SAPI 0 : TEI 0 : C/R 0 : Frame RR : Nr 22 : P/F 0
Time 13:31:43.112
RX0: 00 01 01 2E : Total 4
L1 : Physical : Span 0 : Network -> User
L2 : Data Link : SAPI 0 : TEI 0 : C/R 0 : Frame RR : Nr 23 : P/F 0
Time 13:31:43.118
RX0: 02 01 18 2E 08 02 05 00 4D : Total 9
L1 : Physical : Span 0 : Network -> User
L2 : Data Link : SAPI 0 : TEI 0 : C/R 1 : Frame I : Ns 12 : Nr 23 : P/F 0
L3 : Call Ref : 1280
Message : RELEASE
Time 13:31:43.118
TX0: 02 01 01 1A : Total 4
L1 : Physical : Span 0 : User -> Network
L2 : Data Link : SAPI 0 : TEI 0 : C/R 1 : Frame RR : Nr 13 : P/F 0
Time 13:31:43.118
TX0: 00 01 2E 1A 08 02 85 00 5A : Total 9
L1 : Physical : Span 0 : User -> Network
L2 : Data Link : SAPI 0 : TEI 0 : C/R 0 : Frame I : Ns 23 : Nr 13 : P/F 0
L3 : Call Ref : 1280
Message : RELEASE COMPLETE
--
Adam Barnhill
Support Engineer, TotallyFabricated.com
Information Technology Engineer, Poplar Bluff Internet, Inc. / Semo.net
P.O. Box 190 | Poplar Bluff, MO 63902 | 573.686.9114, <http://www.semo.net/>
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