Phones Grandstream GXP2100
TopPhones Grandstream GXP2100
Phones Grandstream GXP2100
TDN-GXP2100-4PK
Bundle of 4 Grandstream GXP2100 4-line Desktop HD Telephone
Support SIP (RFC3261), TCP/IP/UDP, RTP/RTCP, HTTP, ARP, ICMP, DNS (A record and SRV), PPPo