The Grandstream HT503 has a compact size, is easy to use and configure and also delivers excellent voice quality.
The Grandstream HT503 is based on SIP standards and is compatible with almost all SIP-compliant devices, hosted VoIP solutions and software. The HT-503 has one FXS telephone port, one FXO PSTN line port, and two 10M/100Mbps network ports.
The Grandstream HT503 Analog Telephone Adapter will connect a single analog device to VoIP platforms. The compatible devices are things such as:
Reasons to buy from IP Phone Warehouse:
Great Prices - At IP Phone Warehouse our goal is to offer you great prices on VoIP products. We strive to get you the best pricing on your VoIP equipment no matter the size of the purchase. At IP Phone Warehouse we feel that everyone deserves a great price and exceptional service.
Experienced Technical Staff - IP Phone Warehouse has a staff of experienced VoIP specialists. Our staff is knowledgeable and trained to support you with your VoIP implementation. We also offer phone and remote technical assistance. For more info on our technical support options click here.
Safe Place to Shop Online - IP Phone Warehouse offers a safe shopping environment. IP Phone Warehouse uses industry standard 128-bit SSL encryption to ensure your data remains safe. Additionally, IP Phone Warehouse is uses industry leading Symantec SSL.
Flexible Payment Options - IP Phone Warehouse accepts major credit cards including: Visa, MasterCard, American Express, and Discover. IP Phone Warehouse also accepts PayPal and Google Checkout payments. In addition to credit cards, IP Phone Warehouse accepts checks by mail and wire transfers.
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