diff --git a/app/voicemails/app_config.php b/app/voicemails/app_config.php
index 485d69b0b6..96593d4a29 100644
--- a/app/voicemails/app_config.php
+++ b/app/voicemails/app_config.php
@@ -450,7 +450,7 @@
 		$apps[$x]['db'][$y]['fields'][$z]['description']['en-us'] = "Select the greeting id.";
 		$z++;
 		$apps[$x]['db'][$y]['fields'][$z]['name'] = "voicemail_alternate_greet_id";
-		$apps[$x]['db'][$y]['fields'][$z]['type'] = "numeric";
+		$apps[$x]['db'][$y]['fields'][$z]['type'] = "text";
 		$apps[$x]['db'][$y]['fields'][$z]['description']['en-us'] = "Used to provide an alternate id for the voicemail announcement.";
 		$z++;
 		$apps[$x]['db'][$y]['fields'][$z]['name'] = "voicemail_recording_instructions";
diff --git a/app/voicemails/voicemail_edit.php b/app/voicemails/voicemail_edit.php
index 005173006d..00394248e2 100644
--- a/app/voicemails/voicemail_edit.php
+++ b/app/voicemails/voicemail_edit.php
@@ -167,7 +167,7 @@
 					$array['voicemails'][0]['voicemail_id'] = $voicemail_id;
 					$array['voicemails'][0]['voicemail_password'] = $voicemail_password;
 					$array['voicemails'][0]['greeting_id'] = $greeting_id != '' ? $greeting_id : null;
-					$array['voicemails'][0]['voicemail_alternate_greet_id'] = $voicemail_alternate_greet_id != '' ? $voicemail_alternate_greet_id : null;
+					$array['voicemails'][0]['voicemail_alternate_greet_id'] = $voicemail_alternate_greet_id != '' ? preg_replace('/[^0-9+]/', '', $voicemail_alternate_greet_id) : null;
 					$array['voicemails'][0]['voicemail_mail_to'] = $voicemail_mail_to;
 					$array['voicemails'][0]['voicemail_sms_to'] = $voicemail_sms_to;
 					$array['voicemails'][0]['voicemail_transcription_enabled'] = $voicemail_transcription_enabled;