Phone Grandstream VOiP DP722

GSM network: None | PoE: Yes | ISDN support: No | No. of WAN ports: 0 | No. of LAN ports: 0 | No. of FXS ports: 0 | No. of FXO ports: 0 | No. of BRI ports: 0 | No. of PRI ports: 0 | Console port: No | RJ-21 Telco 50pin port: No | Router function: Yes | Protocols support: H.323 | Protocols support: SIP v2.0 | Protocols support: MGCP | Protocols support: SIP | Audio codec: G.722.1 | Audio codec: AMR | Audio codec: G.723.1 | Audio codec: G.711 | Audio codec: G.711a | Audio codec: G.711u | Color: Gray | Color: Silver | Color: Black