SIP 1-Line Hidden Base with 1 Cordless Handset and Charger
CTM-S2115 Matte Black

Wireless freedom in a stylish, sleek package.

This flexible system meets the modern styling and small footprint needs of today's hotel rooms.

Cordless design increases mobility, while antibacterial plastic protects guests and staff from germs. Mix and match up to 4 accessory handsets.

The S2115 package includes 1 hidden base station, 1 cordless handset and 1 charger. Handset and base station arrive paired for easy deployment.

COLOR - Matte Black

Key Features

  • Handset with antibacterial plastic inhibits 99.9% of bacteria growth
  • Handset available in matte black and silver black, resists fingerprint smudges and scratches
  • Handset Speakerphone: hands-free conversations are easy with a touch of a button
  • Remote configuration: program network parameters remotely to avoid disturbing guests
  • Hidden Base allows for flexible room placement and reduces cabling costs
  • The flexibility to mix and match up to 4 accessory handsets
  • Supports up to three Snom M1 SIP DECT repeaters to extend the range up to 500 feet

Cordless Features

  • DECT 6.0* technology eliminates interference from wireless networks and other wireless devices for superior sound quality
  • Built-in speakerphone on cordless handset
  • Handset battery life: up to 7 hours of talk time with 5 days of standby time
  • Expandable cordless system: up to a total of 4 cordless handsets
  • Backlit handset dialpad
  • Adjustable RF transmission power prevents interference
  • Calls are digitized and encrypted, making eavesdropping nearly impossible
  • Low battery indicator on cordless handset for easy maintenance
  • Quickly locate all cordless handsets in the system using the Find Handset key
  • Side handset volume control for easy access
  • Pre-installed handset batteries reduces time and labor costs during installation
  • Answer a call by simply picking up the handset from the charger

Phone Features

  • Large, bright visual message waiting indicator on handset
  • Base unit supports PoE or local power
  • Pass Thru Ethernet Port (10/100)
  • Supports VLAN Tagging
  • Dedicated EMERGENCY & MUTE buttons, plus two additional customizable speed dial / guest service keys on handset
  • Hearing aid compatible
  • Multi-step volume control (ringer, handset and speakerphone)
  • Base, desk or wall mountable
  • Sturdy, solid construction ensures phone stays in place on the desk or nightstand
  • Environmentally friendly RoHS program reduces the use of hazardous substances including lead, mercury and cadmium
  • SIP configuration tool for easy mass deployment


  • Handset colors: Matte Black, Silver Black
  • Base color: Matte Black
  • SIP RFC3261
  • Radio frequency baseband: Available in DECT 6.0-1.9GHz* or DECT-1.8GHz** two versions
  • Ethernet port : Fast ethernet port x 2
  • Base power source: PoE (local power adapter sold separately)
  • Handset power source: DC power adaptor
  • Humidity: 65% ± 20%
  • Temperature: 25° C ± 10° C
  • 2-year limited warranty
  • Standard LAN cable with RJ45 connectors (for base connection): 1 meters
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