Additional cordless SIP handset Up to 12 floors inbuilding penetration, 250,000 sq. ft. of facility coverage, 3,000 acres of property, open land coverage Base supports up to 4 concurrent calls (4 SIP or 3 SIP + 1 PSTN) Works with any IPPBX that supports the standard SIP protocol Independent 2way intercom "PushtoTalk" (PTT) broadcast feature Proven durability with ruggedized design

• Additional cordless SIP handset Up to 12 floors inbuilding penetration, 250,000 sq. ft. of facility coverage, 3,000 acres of property, open land coverage Base supports up to 4 concurrent calls (4 SIP or 3 SIP + 1 PSTN) Works with any IPPBX that supports the standard SIP protocol Independent 2way intercom "PushtoTalk" (PTT) broadcast feature Proven durability with ruggedized design
• Durafon-SIP Handset and Charger
• Dimensions: 3.50x9.00x8.00
• Item Weight: 2.00
• 100% Satisfaction

Additional cordless SIP handset Up to 12 floors inbuilding penetration, 250,000 sq. ft. of facility coverage, 3,000 acres of property, open land coverage Base supports up to 4 concurrent calls (4 SIP or 3 SIP + 1 PSTN) Works with any IPPBX that supports the standard SIP protocol Independent 2way intercom "PushtoTalk" (PTT) broadcast feature Proven durability with ruggedized designEnGenius