68 pages... GXP2130/GXP2140/GXP2160 Enterprise Phone Administration Guide The intended audiences of this manual are phone administrators...by Grandstream Networks.
Grandstream Networks manufacturers affordable SIP phones that have been well received by the telecom community and are known for solutions that work well with open source Asterisk. Their solutions include the UCM6200 series VoIP PBX that has become a first choice among companies moving to a no license fee PBX.
For the best prices on Grandstream GXP and GS IP telephones;
Grandstream GXP1628 Small to Medium Business HD IP Phone
Grandstream GXP2130 Bundle of 8 HD Enterprise IP phones
Grandstream GS-GXP2135 Enterprise IP Phone
Grandstream GXP1625, PoE, Bundle of 8 phones
Grandstream gxp2130_2140_2160_administration_guide.pdf