IP Phone User Manual
GRANDSTREAM GXP21XX/GXV3140/GXV3175 SERIES PHONES  20-BD5320-00 
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2011 GRANDSTREAM  PAGE 10 OF 45 
BroadWorks SIP Access Device Interoperability Test Plan Support Table 
Test Plan Package  Test Plan Package Items  Supported  Comments 
Call Forward Always Ring Splash  No   
Call Forward Always Diversion 
Inhibitor 
No   
Call Center Agent Logon/Logoff  No   
Call Center Agent Unavailable Code  No   
Advanced Phone 
Services – Missed 
Calls Display 
Synchronization 
Missed Calls Display Sync  Yes   
Advanced Phone 
Services – Shared 
Call Appearance 
using Call Info 
Line-Seize  Yes  Except GXP3140/GXV3175 
Call-Info/Lamp Management  Yes  Except GXP3140/GXV3175 
Public Hold  Yes  Except GXP3140/GXV3175 
Private Hold  Yes  Except GXP3140/GXV3175 
Multiple Call Arrangement  Yes  Except GXP3140/GXV3175 
Bridging  Yes  Except GXP3140/GXV3175 
Call Park Notification  NT   
Advanced Phone 
Services – Shared 
Call Appearance 
using Dialog Event 
Dialog Event  No   
Hold/Retrieve  No   
Multiple Call Arrangement  No   
Bridging  No   
Call Park Notification  No   
Advanced Phone 
Services – Call Center 
Hold Reminder  No   
Call Information  No   
Hoteling Event  No   
Status Event  No   
Disposition Code  No   
Emergency Escalation  No   
Customer Originated Trace  No   
Advanced Phone 
Services – Call Park 
Notification 
Call Park Notification  NT   
Redundancy  DNS SRV Lookup  Yes   
Register Failover/Failback  Yes   
Invite Failover/Failback  Yes  No for INVITE Failback 
Bye Failover  Yes   
SBC/ALG  Register  Yes   
Outgoing Invite  Yes   










