I find this strange but this is from the DuraFon troubleshooting guide: Caller ID not working (w/ external antenna) Possible causes: Grounding of external antenna Suggested remedies: verify Caller ID works when external antenna is removed and rubber antenna used. If the Caller ID now works, the external antenna should be grounded by its own separate ground in order to avoid the building ground interference. If Caller ID does not work after replacing the external antenna with the rubber antenna verify Caller ID service from phone company to operational. If still fails contact EnGenius customer service at 714-432-8668 x514.
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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