diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d197b5..ca41f8e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Change Log
 
+## [7.2.2](https://github.com/plivo/plivo-go/tree/v7.2.2) (2021-07-29)
+- Removed validation for `ringtimeout` and `delaydial` params in [Start a multi party call](https://www.plivo.com/docs/voice/api/multiparty-call#start-a-new-multiparty-call).
+
 ## [7.2.1](https://github.com/plivo/plivo-go/tree/v7.2.1) (2021-07-22)
 - Updated default HTTP client request timeout to 5 seconds.
 
diff --git a/baseclient.go b/baseclient.go
index 649a58b..d4d10f5 100644
--- a/baseclient.go
+++ b/baseclient.go
@@ -13,7 +13,7 @@ import (
 	"github.com/google/go-querystring/query"
 )
 
-const sdkVersion = "7.2.1"
+const sdkVersion = "7.2.2"
 
 const lookupBaseUrl = "lookup.plivo.com"
 
diff --git a/multipartycall.go b/multipartycall.go
index 7063c6c..574046f 100644
--- a/multipartycall.go
+++ b/multipartycall.go
@@ -225,12 +225,12 @@ func (service *MultiPartyCallService) AddParticipant(basicParams MultiPartyCallB
 	if params.RingTimeout == nil {
 		params.RingTimeout = 45
 	} else {
-		MultipleValidIntegers("RingTimeout", params.RingTimeout, 15, 120)
+		MultipleValidIntegers("RingTimeout", params.RingTimeout)
 	}
 	if params.DelayDial == nil {
 		params.DelayDial = 0
 	} else {
-		MultipleValidIntegers("DelayDial", params.DelayDial, 0, 120)
+		MultipleValidIntegers("DelayDial", params.DelayDial)
 	}
 	req, err := service.client.NewRequest("POST", params, "MultiPartyCall/%s/Participant", mpcId)
 	if err != nil {
diff --git a/validators.go b/validators.go
index f2187c8..f1238f8 100644
--- a/validators.go
+++ b/validators.go
@@ -7,28 +7,17 @@ import (
 	"strings"
 )
 
-func MultipleValidIntegers(paramname string, paramvalue interface{}, lowerbound int, upperbound int) {
-	if reflect.TypeOf(paramvalue).Kind() == reflect.Int {
-		paramvalue := paramvalue.(int)
-		if paramvalue < lowerbound || paramvalue > upperbound {
-			error := paramname + " values must be in the range [" + strconv.Itoa(lowerbound) + " , " + strconv.Itoa(upperbound) + "]"
-			logrus.Fatal(error)
-		}
-	} else if reflect.TypeOf(paramvalue).Kind() == reflect.String {
+func MultipleValidIntegers(paramname string, paramvalue interface{}) {
+	if reflect.TypeOf(paramvalue).Kind() == reflect.String {
 		paramvalue := paramvalue.(string)
 		values := strings.SplitN(paramvalue, "<", -1)
 		for i := 0; i < len(values); i++ {
-			val, err := strconv.Atoi(values[i])
+			_, err := strconv.Atoi(values[i])
 			if err != nil {
 				logrus.Fatal(paramname + " Destination values in the string must be integers")
-			} else {
-				if val < lowerbound || val > upperbound {
-					error := paramname + " Destination values must be in the range [" + strconv.Itoa(lowerbound) + " , " + strconv.Itoa(upperbound) + "]"
-					logrus.Fatal(error)
-				}
 			}
 		}
-	} else {
+	} else if reflect.TypeOf(paramvalue).Kind() != reflect.Int && reflect.TypeOf(paramvalue).Kind() != reflect.String {
 		logrus.Fatal(paramname + " must be either string or integer")
 	}
 }