- Additional cordless SIP handset- Up to 12 floors in-building 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 IP-PBX that sup
- Additional cordless SIP handset - Up to 12 floors in-building 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 IP-PBX that supports the standard SIP protocol - Independent 2-way intercom - "Push-to-Talk" (PTT) broadcast feature - Proven durability with ruggedized design
