I have 6 to 7 Cisco phone model 7911 and 7961 need to upgrade the firmware as it stuck on startup window loop.
13 freelancer đang chào giá trung bình $116 cho công việc này
Greetings, id like to assist you on this project. kindly let me know if my terms suits and lets see to make the upgrade on each phone , step-by-step. kind regards Ervin
Hi, I have more than 12 years of experience in VOIP and can help you with phone firmware upgrade. Please advice good time for discussion. Regards Avinash