Cisco SPA122 Provisioning Guide

Router Configuration Parameters
<VPN_Passthrough>
Provisioning Guide for Cisco SPA100 and SPA200 Series Analog Telephone Adapters 186
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<VPN_Passthrough> Example: All passthrough options
enabled
<router-configuration>
...
<VPN_Passthrough>
<IPSec_Passthrough>1</IPSec_Passthrough>
<PPTP_Passthrough>1</PPTP_Passthrough>
<L2TP_Passthrough>1</L2TP_Passthrough>
</VPN_Passthrough>
...
</router-configuration>
<L2TP_Passthrough> Description: Enables or disables VPN passthrough for Layer 2
Tunneling Protocol (L2TP)
User Interface: Network Setup > Advanced Settings > VPN
Passthrough page, L2TP Passthrough field
Values:
0: Disabled
1: Enabled
Default: 1
Example:
<L2TP_Passthrough>1</L2TP_Passthrough>
Parameter Details

Cisco SPA122 Specifications

General

Ports	2 FXS ports
Network Interface	10/100 Mbps Ethernet
Voice Protocol	SIP
Voice Codecs	G.711, G.726, G.729 A
Security	TLS
Power Supply	5V DC, 2A
Network Ports	1 x 10/100 Mbps
Fax Support	T.38 fax relay
Operating Temperature	0°C to 45°C
Storage Temperature	14 to 140°F (-10 to 60°C)
Humidity	10% to 90% noncondensing
Weight	0.16 kg