Avaya 4690 & 1692 IP Expansion Microphones (700289846)
NOTE: Certified Refurbished units may have Avaya, Polycom, Cisco, or Nortel logo's.
Certified Refurbished: $74.99
Avaya 4690 and 1692 IP Microphone Features
- Pair of external microphones for use with the Avaya 4690 or Avaya 1692 IP Speakerphone
- Extend up to 6' on either side of base unit for increased coverage