Panasonic KX-HTS Series, Manual

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2.3.3 System Capacity
Maximum Optional Service Cards
The following number of card can be installed in the Physical Slots or Virtual Slots of the PBX.
Note
• Any card that exceeds the capacity of the PBX will be ignored.
• When the PBX starts up with an invalid configuration, some cards will be ignored.
Slot
Slot type Card Name Maximum Number
Pre-installed LCOT4 1
SLC8 1
Trunk/Doorphone Slot LCOT4 1
DPH2 1
Extension Slot SLC8 1
SLC8 1
DSP Resources
KX-HTS series has built-in DSP and maximum resource is 14.
This DSP is for switching the TDM and IP terminals.
1. The definition of TDM and IP
Subject Remarks
TDM CO Analogue CO
TDM Extension AnalogueTelephone ( SLT, Fax, etc.)
Doorphone
SIP Trunk SIP Trunk
IP Extension SIP phone
Softphone on the smartphone or personal computer
Others DISA / Automated Attendant / Voicemail / Conference
2. Resource count
DSP resource is counted as follows
Typical codec mode for SIP Trunk is G.711. Few of the countries such as South Africa are G.729.
This chart is shown as IP extension is G.711 mode.
Case
Connection DSP Resource count DSP Resource Count
(SIP trunk : G711) (SIP trunk : G729)
1 TDM Trunk <->TDM Trunk 0 (TSW) 0 (TSW)
2 TDM Trunk <->TDM Extension 0 (TSW) 0 (TSW)
3 TDM Trunk <-> IP Extension 1 (DSP) 1 (DSP)
4 TDM Trunk <->Others 1 (DSP) 1 (DSP)
5 SIP Trunk <-> SIP Trunk *1) 0 (P2P) / 2(DSP) *1) 0 (P2P) / 2(DSP)
6 SIP Trunk <->TDM Extension 1 (DSP) 1 (DSP)
7 SIP Trunk <-> IP Extension 0 (P2P) 2 (DSP)
8 SIP Trunk <-> Others 1 (DSP) 1 (DSP)
9 TDM Extension <->TDM Extension 0 (TSW) 0 (TSW)
10
TDM Extension <-> Others 1 (DSP) 1 (DSP)
11
IP Extension <-> IP Extension *1) 0 (P2P) / 2(DSP) *1) 0 (P2P) / 2(DSP)
12
IP Extension <-> Others 1 (DSP) 1 (DSP)
*1) P2Por DSPis selectable that is line base setting.
Note: Recommend G711 codec for SIP trunk service.