weergaven
Unify OpenScape Desk Phone IP 55G - Advanced Call Handling
Panasonic UC Pro Mobile DEMO
Gigaset hidden service menu / reset handset
Handset Gigaset C580 Disasembly Instruction
Jabra Pro 9400
IP55 - How to Program Function Keys
Siemens Openstage 60 Reset and setup for SIP / VOIP
Mute and hold