VTech CTM-S2421 Master User Guide

+H[QWJCXGFKHſEWNV[YKVJVJGVGNGRJQPGURNGCUGVT[VJGUWIIGUVKQPUDGNQY(QTEWUVQOGTUGTXKEGXKUKVQWTYGDUKVGCV 
YYYXVGEJJQVGNRJQPGUEQOQTECNN
The telephone does not work at all.
Make sure the Cat-5 network cable is plugged into the LAN port of the telephone base and the network wall jack with
 2QYGTQXGT'VJGTPGV2Q'
Make sure the battery is installed and charged correctly (pages 29, 32, 39 and 43(QTQRVKOWOFCKN[RGTHQTOCPEGTGVWTPVJG
cordless handset to the telephone base, charging base or charging standCHVGTWUG
7PRNWIVJG%CVPGVYQTMECDNGHTQOVJGPGVYQTMYCNNLCEM9CKVHQTCRRTQZKOCVGN[UGEQPFUVJGPRNWIKVDCEMKP
%JCTIGVJGDCVVGT[KPVJGEQTFNGUUJCPFUGVHQTWRVQJQWTU
If the battery is completely depleted, EJCTIGVJGDCVVGT[HQTCVNGCUVOKPWVGUDGHQTGWUG
4GOQXGVJGDCVVGT[CPFVJGPKPUVCNNKVCICKP+HVJCVUVKNNFQGUPQVYQTMKVOC[DGPGEGUUCT[VQRWTEJCUGCPGYDCVVGT[
Disconnect the telephone base from the network wall jack and connect a different working SIP telephone+HVJGQVJGT5+2
VGNGRJQPGFQGUPQVYQTMVJGRTQDNGOKURTQDCDN[KPVJGYKTKPIQTPGVYQTMUGTXGT%JGEM[QWT5+2UGTXGTUGVVKPIU4GHGT to the
5+22JQPG%QPſIWTCVKQP)WKFGHQTFGVCKNU
There is no dial tone.
6T[CNNVJGCDQXGUWIIGUVKQPU
6JG%CVPGVYQTMECDNGOC[DGFGHGEVKXG+PUVCNNCPGY%CVPGVYQTMECDNG
Make sure[QWTPGVYQTMKURTQXKFKPI2QYGTQXGT'VJGTPGV2Q'
Disconnect the telephone base from the network wall jack and connect a FKHHGTGPVYQTMKPI5+2VGNGRJQPG If there is no dial tone
QPVJKUVGNGRJQPGGKVJGTVJGRTQDNGOKUKP[QWTYKTKPIQTPGVYQTMUGTXGT%JGEM[QWT5+2UGTXGTUGVVKPIUCPFTGHGTVQVJG
5+22JQPG%QPſIWTCVKQP)WKFGHQTFGVCKNU
Make sure the initialization and system registration process completes (pages 28 and 386JGURGCMGTRJQPGMG[DNKPMUVYKEG
GXGT[UGEQPFKHVJGTGCTGGTTQTUYKVJVJGKPKVKCNK\CVKQPCPFU[UVGOTGIKUVTCVKQPRTQEGUU%JGEM[QWT5+2UGTXGTUGVVKPIU4GHGT to the
5+22JQPG%QPſIWTCVKQP)WKFGHQTFGVCKNU
I cannot dial out.
6T[CNNVJGCDQXGUWIIGUVKQPU
/CMGUWTGVJGTGKUCFKCNVQPGDGHQTGFKCNKPI+VKUPQTOCNKHVJGEQTFNGUUJCPFUGVVCMGUCUGEQPFQTVYQVQU[PEJTQPK\GYKVJVJG
VGNGRJQPGDCUGDGHQTGRTQFWEKPICFKCNVQPG9CKVCPGZVTCUGEQPFDGHQTGFKCNKPI
#RTGſZOC[DGTGSWKTGFHQTFKCNKPIUQOGKPVGTPCNQTGZVGTPCNECNNU Refer to the 5+22JQPG%QPſIWTCVKQP)WKFGHQTFGVCKNU
%JGEM[QWT5+2UGTXGTUGVVKPIU+HQVJGT5+2VGNGRJQPGUKP[QWTJQVGNCTGJCXKPIVJGUCOGRTQDNGOVJGRTQDNGOKUKPVJGYKTKPIQT
PGVYQTMUGTXGT%QPVCEV[QWTVGNGRJQPGUGTXKEGRTQXKFGTEJCTIGUOC[CRRN[
The Speed Dial key does not work at all.
6JG5RGGF&KCNMG[OC[PQVDGRTQRGTN[RTQITCOOGFRefer to the 5+22JQPG%QPſIWTCVKQP)WKFGHQTFGVCKNU
The telephone does not store the last number dialed.
For security, the last number dialed in the REDIALOGOQT[YKNNDGCWVQOCVKECNN[ENGCTGFCHVGTOKPWVGU
The telephone cannot register to the SIP network server.
Make sure[QWTPGVYQTMKURTQXKFKPI2QYGTQXGT'VJGTPGV2Q'
Make sure the initialization and system registration process completes (pages 28 and 38
If there is an error during the initialization and system registration process, the
/SPEAKERMG[ƀCUJGUVYKEGGXGT[UGEQPF
Disconnect the Cat-5 network cable from the network wall jack and connect it back into the network wall jack with Power over
Ethernet (PoE) to start the initialization and system registration processCICKP
The LOW BATTERY LED illuminates on the cordless handset.
Place the cordless handset in the telephone base, charging base or charging standHQTTGEJCTIKPI
4GOQXGVJGDCVVGT[CPFVJGPKPUVCNNKVCICKP7UG it until fully depleted, then charge the cordless handset in the telephone base,
EJCTIKPIDCUGQTEJCTIKPIUVCPFHQTWRVQJQWTU
+HVJGCDQXGOGCUWTGUFQPQVEQTTGEVVJGRTQDNGOTGRNCEGVJGDCVVGT[
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Appendix
Troubleshooting
74

VTech CTM-S2421 Specifications

General

Brand	VTech
Model	CTM-S2421
Category	Cordless Telephone
Language	English