Yealink SIP-T54S Administrator's Manual page 250

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
SIP-T41P/T41S/T27P/T27G
SIP-T40P/T40G/T23P/T23G
SIP-T21(P) E2
SIP-T19(P) E2
CP860/CP920
The IP phones support SIP server redundancy for account registration. For more information,
refer to Server Redundancy
associate with an account, refer to
configure the maximum number of concurrent calls per line key, refer to
Appearances on page 241.
Note You can only register a Cloud account for CP860 IP phones via phone user interface. For more
information, refer to
224
Phone Model
on page 749. If you want to customize multiple DSS keys to
Multiple Line Keys per Account
Yealink_CP860_User_Guide
Accounts
<=6
<=3
<=2
1
1 (SIP/Cloud account)
<=2 (PSTN account)
on page 235. If you want to
.
Multiple Call