China Classic Old Fixed Phone Indoor Industrial Steel Compact VoIP SIP Intercom Telephones

classic old fixed phone Indoor Industrial Steel Compact VOIP SIP intercom telephones

Product Description:
1.Rolled steel material shell, high mechanical strength and strong impact resistance.
2.Heavy Duty handset with hearing Aid compatible receiver, Noise canceling microphone available.
3.metal Keypad, 4 buttons can be programmed as speed dial number.
4.With display, can display the outgoing number, call duration, etc.
5.The sensitivity of the speaker and microphone can be adjusted; optional voice coding methods such as G.729,
G.723, G.711, G.722, G.726;Support 2 lines SIP, SIP 2.0 (RFC3261).
6.IP Protocols:IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.
7.Weather proof protection to IP65
8.Wall mounted, Simple installation.
9..Multiple housings and colors.
10.Self-made telephone spare part available.
11.CE, FCC, RoHS, ISO9001 compliant.
Technical Parameters:

ProtocolSIP2.0(RFC-3261)Audio Amplifier2.4WVolume ControlAdjustableSupportRTPCodecG.729,G.723,G.711,G.722,G.726Power Supply12V (±15%) / 1A DC or PoELAN10/100base-TX s Auto-MDIX, RJ-45WAN10/100base-TX s Auto-MDIX, RJ-45InstallationWall-mountedWeight3.0KG

Certification :SGS, ISO 9001:2000 , CE, FCC,ROHS,CNEX, IP65/IP66/IP67,Packing:6 set/carton,21kg/cartonDelivery date:10-20 daysMOQ:1 setSupply Ability:5000 sets/monthPayment Term:T/T, Paypal, Alibaba Trade Assurance, L/C or others for negotiation.Samples Offer:Samples are available and can be free for strategic customer.Samples arrangement:Standard samples will be prepared to sending in about 3 working days. (And DHL 3-5days; UPS 3-5days; Fedex / TNT 3 5days; EMS 7 days to reach destination)After-sales Service2 Years' Warranty and spare parts are available for maintenance.ContactTel: 0086-574-58223619, Mob: +86-13858299692