Technical Helpweb

As of January 9th, 2018, the following product lines are now carried by Sangoma Technologies:
  • DMG Series of Enterprise Media Gateways
  • IMG Series of Media Gateways
  • Media and Network Interface Cards (JCT, Diva, CG, DNI, Eiconcards)
  • Diva High Density Modems

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Issue where IMG does not synchronize time correctly
Issue with Cacti installation
Find the Serial Number
Add redundancy to an existing non-redundant GCEMS setup
Migrating from an existing GCEMS to two new redundant servers
How to replace the motherboard of a DialogicĀ® IMG 1010 Integrated Media Gateway (video)
Installing ClientView for Windows on Windows 8.x or Windows Server 2012

Outbound ISDN calls fail due to NAI value
Configuring VNC for multiple clients on GCEMS
How to configure a DNS server
How to configure SS7 F Links on a Dialogic Integrated Media Gateway (IMG)
How to configure SS7 A Links on a Dialogic Integrated Media Gateway (IMG)
How to configure SS7 redundancy on a Dialogic Integrated Media Gateway (IMG)
Point Codes and Dialogic Signaling Products
Using Differentiated Service (DiffServ or DSCP) rather than TOS
Reducing VoIP RTP latency
How to create a dummy Calling Party Number
How to Implement China N1 CAS Signaling on IMG
Alternate odd/even hunting option in a channel group.
International SIP to SS7 NOA conversion
How to respond with Echo Included in the ACM
How to use RFC2833 for DTMF
Adding + to start of E.164 dial string
How to Disable Fax Detection on IMG 1010
How to configure CACTI to send threshold alerts
How to use Route Lists
How to configure SCTP Multi-homing
Using wildcard translations
How to change VoIP (SIP and RTP) IP addresses on the IMG
How to configure Redundant Sigtran/M3UA on IMG 1010
IMG - Basic Routing Configuration
IMG - Introduction to Number Translation
Country specific ringback tones
Advanced numbers parameters translation on IMG 1004/ 1010
How to Change T7 Timer in the SS7 ISDN User Part
How to Change T9 Timer in the SS7 ISDN User Part

Release Reason / Cause Code Translation
How to reset a telnet session
GCEMS processes fail to start
ClientView fails to start.
What does an SS7 CIC status of transient mean?
Feature differences between Broadcom and Mindspeed VoIP modules
Hunting Option not updated
E1 R2 calls fail with a timeout waiting for the Calling Party Number
How to use 'Graceful Shutdown' feature: skip the D-channel
Sigtran M3UA controlled CICs do not come In Service
How to monitor alarms without SNMP
How to correctly backup GCEMS files when upgrading IMG software versions
IMG resets unexpectedly when configured as a peer for SS7 redundancy
How to backup IMG / GCEMS
Ethernet Redundancy on the IMG 1010 and IMG 2020

Error Messages
'DisplayIE truncated, too long' message
GCL Rejects Incoming Calls With Cause Value 42 (Switching Equipment Congestion)
Maintenance Busy / T309 Expired
ERROR: SDP m line (audio) decoding failed
'SIP Err: decoding failed' in call trace
Troubleshooting Gateway Alarm - Gateway Status: Reachable but UnAvailable
Calls rejected due to "No Match" in translation tables

SS7 MTP2/MTP3 Troubleshooting
Recording timeslot data to an audio file
ISUP PROT VIOL Output in the CLI Terminal
ClientView password field will not accept input
How to capture and dump a task that is interrupting the CPU
How to prevent SIP calls that are on hold from releasing after five minutes
IMG cooling fan testing
ClientView, DataManager and Gatemanager connection failure
Previously stable circuits now have timing slips or framing errors
No SS7 signaling in call trace on remote IMG
IMG unexpectedly releases H.323 call
Fax completes at speed of 9600, but T.38 indicates speed of 14,400
How to troubleshoot VoIP Module DSP Resets
Incorrect number of channels displayed for VoIP Resource
RFC2833 digits not propagated in a SIP <-> TDM call
How to troubleshoot IMG number translation issues

Sending SNMP Traps from a Dialogic IMG Integrated Media Gateway
Problem with call tracing in IMG versions up to 10.5.1
How to use MemScope to check for memory leaks
How to analyze an SS7 ISUP Trace
How to read the Alarm and Socket Logs on GCEMS
Example call trace with notes
How to view ISDN & SS7 traces using Wireshark
IMGtools application
IMG call trace viewer
How to enable port mirroring / snooping

Disable the ISUP ACC function using the raw API

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