How to configure SIP Trunk between FIBERME FGX45xx GSM Gateway with “CISCO” CUCM


To establish connectivity between “CISCO” CUCM and FIBERME FGX45xx GSM Gateway, it is necessary to enable to “CISCO” CUCM to connect with FIBERME FGX45xx GSM Gateway. This will enable the Extension in “CISCO” CUCM to connect with SIM card and make out call and incoming call in “IVR” or “Hunt group”


CUCM #

Navigate to security -> SIP Trunk security Profile 

Navigate to Non Secure SIP Trunk Profile 

– Make Incoming Transport Type -> TCP-UDP

– Outgoing Transport Type ->UDP

– Enable Accept presence subscription 

– Enable Accept out-of-dialog refer 

– Enable Accept unsolicited notification

– Enable Accept replaces header

Click Save 

Navigate to Class of Control  -> Calling search space

Navigate to E911CSS

Select E911

Click Save 

Navigate to Device Setting -> SIP Profile 

Navigate to Standard SIP Profile

Enable Disable Early Media on 180

Enable OPTION ping ….

Click save

Navigate to Device -> Trunk 

Add New

– Trunk Type -> SIP Trunk 

Click Next

– Device Name: “FXG4508

– Device Pool: Default 

– Call Classification: OnNET

– Calling Search Space: E911CSS

– AAR Calling Search Space: E911CSS

– Connected Party Transformation CSS:  E911CSS

– Enable Use Device Pool Connected Party Transformation CSS

– Called Party Transformation CSS: E911CSS

– Calling Party Transformation CSS: E911CSS

-Destination   IP FGX :192.168.99.67       port: 5060

– SIP Trunk Security Profile: standard  presence group 

– SIP Profile: Standard SIP Profile 

– Rerouting Calling Search Space: E911CSS

Navigate to Route/Hunt -> Route Pattern 

Add New 

– Route Pattern: XXXXXXXXXXX       “You will enter 11 digits here as the mobile numbers.”

– Route Partition: E911

– Description: FXG4508

– Gateway/Route List: FGX4508       “TRUNK name “

– Call Classification: OnNet



In FGX4508  #

Configure the SIP Endpoint #

Navigate to VOIP -> VOIP Endpoint 

add new SIP Endpoint 

– Name: CUCM

– Enable Anonymous

 – Registration: IP Based

– Hostname or IP Address: 192.168.99.201    IP-CUCM

– Port: 5060

– Transport: UDP


Configure Outbound Call Routing #

Navigate to Routing  -> Call Routing Rules 

Add  New Call Routing Rule

Routing Name: From CUCM TO SIM

Call Comes in From: CUCM

Send Call Through: GSM-4

Navigate to advanced 

Caller_Dial_pattern :  Match Pattern     X. 


Configure Inbound Call Routing #

Navigate to Routing  -> Call Routing Rules 

Add  New Call Routing Rule

Routing Name: From SIM TO CUCM

Call Comes in From: GSM-4

Send Call Through: CUCM

Navigate to advanced 

Forward Number : Number of Extension or IVR or Hunt group or …...

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