Installation Manual for digital sets - IP sets - SIP sets AMT/PTD/TR/0001/3/7/EN
SIP PHONES 51i, 53i, 55i AND 57i 05/2008 Page 9-61
Viewing the negotiation with the WEB interface:
Figure 9.16 Viewing the negotiation with the WEB interface
Aastra recommends setting the ports of Ethernet switches supporting SIP phones to ‘Auto-
negotiation’ mode; the same rule applies to the network cards of PCs connected to the phone.