DTMF tone problems, incoming ISDN trunk from commercial vendor

[mnealtx]

DTMF tones coming from the local vendor have distortion/static and are truncated. Problem occurs with any inbound call, landline or cell.

Hardware: G3RV12, S8700, CM 2.2

Trunk hardware: TN 2464 connected to a Tenor DX via Cat 5 cable

Trunk setup:

TRUNK GROUP

Group Number: 3 Group Type: isdn CDR Reports: y
Group Name: IPKO COR: 50 TN: 1 TAC: 513
Direction: two-way Outgoing Display? n Carrier Medium: PRI/BRI
Dial Access? y Busy Threshold: 29 Night Service:
Queue Length: 0
Service Type: public-ntwrk Auth Code? n TestCall ITC: rest
Far End Test Line No:
TestCall BCC: 4

TRUNK PARAMETERS
Codeset to Send Display: 6 Codeset to Send National IEs: 6
Max Message Size to Send: 260 Charge Advice: none
Supplementary Service Protocol: c Digit Handling (in/out): overlap/overlap
Digit Treatment: Digits:
Trunk Hunt: cyclical
Digital Loss Group: 13
Incoming Calling Number - Delete: Insert: Format:
Bit Rate: 1200 Synchronization: async Duplex: full
Disconnect Supervision - In? y Out? y
Answer Supervision Timeout: 0

display trunk-group 3 Page 2 of 20
TRUNK FEATURES
ACA Assignment? n Measured: internal Wideband Support? n
Maintenance Tests? y
Data Restriction? n NCA-TSC Trunk Member:
Send Name: n Send Calling Number: y
Used for DCS? n
Suppress # Outpulsing? y Format: unk-pvt
Outgoing Channel ID Encoding: preferred UUI IE Treatment: service-provider

Replace Restricted Numbers? n
Replace Unavailable Numbers? n
Send Connected Number: y
Hold/Unhold Notifications? n
Send UUI IE? y Modify Tandem Calling Number? n
Send UCID? n
Send Codeset 6/7 LAI IE? y Ds1 Echo Cancellation? n

Network (Japan) Needs Connect Before Disconnect? n

display trunk-group 3 Page 3 of 20

QSIG TRUNK GROUP OPTIONS

SBS? n

 

[letman2]

check your sync source