You can try this too:
System/Timers and Limits, change the "LS/GS Caller-ID Relay Hold timer to 3900 and the "LS/GS Caller-ID Ring Hold" timer to 2
If that doesn't help Do what DND ON says. A CID box will show what the telco is sending.
Inter-tel Axxess, Mitel CS/HX5000, MiVoice Office CCS/CSM, VPU, EM, ATM4, A+, CTP+, NET+, OAISYS, Audicodes, Polycom, Spectralink, NEC Red, Samsung, Mitel Call Recording, Mitel MBG, MiVoice Office, Xarios. Mitel Phone Manager
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