Monoprice RJ45 8P8C 1x Female to 2x Female T-Adapter

Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. This will split the lines allowing two such phones to be connected to the same input line Note that this will NOT work with Ethernet/LAN cables Use with older 4-line analog phone systems which use 8P8C (RJ45) cables