Application Notes for Plantronics APU-72 EHS Adapter and CS500 Series Wireless Headsets with Avaya 1120E and 1140E IP Deskphones
Amazon.com: INNOTALK Phone Headset Compatible with Avaya IP 9620, 9620C, 9620L, 9621, 9630, 9630G Economic Binaural Noise Cancel Mic Call Center Headset : Electronics
Amazon.com: Call Center Hands-Free RJ9 Headset Headphone Monaural Mic Mircrophone Noice Cancelling + Extra Cushions for Avaya Nortel Nt Yealink Ge Emerson Viop POE NEC Mitel Office Desktop IP Telephone Phone :
IPNTYS05N 1140E IP Deskphone User Manual Quick Guide-New Wistron
Avaya 1140E IP Deskphone with SIP Software — User Guide
Avaya 1140E IP Phone (NTYS05)
SIP Software for Avaya 1100 Series IP Deskphones-Administration